-26.77% is the change from 721 to 528
Calculation steps:
[( 528 - 721 ) ÷ 721] x 100 = -26.77%
Formula
Percentage change = [(528 - 721) / 721] x 100
Subtract the new number by the original number
528 - 721 = -193
-193 ÷ 721 = -0.26768377253814146
-0.26768377253814146 x 100 = -26.77%