-20.59% is the change from 908 to 721
Calculation steps:
[( 721 - 908 ) ÷ 908] x 100 = -20.59%
Formula
Percentage change = [(721 - 908) / 908] x 100
Subtract the new number by the original number
721 - 908 = -187
-187 ÷ 908 = -0.20594713656387664
-0.20594713656387664 x 100 = -20.59%