-26.96% is the change from 816 to 596
Calculation steps:
[( 596 - 816 ) ÷ 816] x 100 = -26.96%
Formula
Percentage change = [(596 - 816) / 816] x 100
Subtract the new number by the original number
596 - 816 = -220
-220 ÷ 816 = -0.2696078431372549
-0.2696078431372549 x 100 = -26.96%