861.33% is the change from 75 to 721
Calculation steps:
[( 721 - 75 ) ÷ 75] x 100 = 861.33%
Formula
Percentage change = [(721 - 75) / 75] x 100
Subtract the new number by the original number
721 - 75 = 646
646 ÷ 75 = 8.613333333333333
8.613333333333333 x 100 = 861.33%