-76.96% is the change from 816 to 188
Calculation steps:
[( 188 - 816 ) ÷ 816] x 100 = -76.96%
Formula
Percentage change = [(188 - 816) / 816] x 100
Subtract the new number by the original number
188 - 816 = -628
-628 ÷ 816 = -0.7696078431372549
-0.7696078431372549 x 100 = -76.96%