-11.93% is the change from 721 to 635
Calculation steps:
[( 635 - 721 ) ÷ 721] x 100 = -11.93%
Formula
Percentage change = [(635 - 721) / 721] x 100
Subtract the new number by the original number
635 - 721 = -86
-86 ÷ 721 = -0.11927877947295423
-0.11927877947295423 x 100 = -11.93%