-36.62% is the change from 721 to 457
Calculation steps:
[( 457 - 721 ) ÷ 721] x 100 = -36.62%
Formula
Percentage change = [(457 - 721) / 721] x 100
Subtract the new number by the original number
457 - 721 = -264
-264 ÷ 721 = -0.36615811373092927
-0.36615811373092927 x 100 = -36.62%