Labels are intentionally confusing, the ones in Europe which show as g in 100 and % are easy to understand.
The important thing is to work out whatever you are eating what the % is, for me I'd avoid high fat, biscuits are the worse, avoid them as much as poss
Ist image
Sugar 10g\34g = 30% sugar
Fat 9g\34g = 26% fat
2nd image
Sugar 21%
Fat 26%
3rd image is of no use to me.
Not sure why Sugar % is different in 1st and 2nd image, most likely they have the figures wrong