-81.83% is the change from 633 to 115
Calculation steps:
[( 115 - 633 ) ÷ 633] x 100 = -81.83%
Formula
Percentage change = [(115 - 633) / 633] x 100
Subtract the new number by the original number
115 - 633 = -518
-518 ÷ 633 = -0.8183254344391785
-0.8183254344391785 x 100 = -81.83%