-22.83% is the change from 819 to 632
Calculation steps:
[( 632 - 819 ) ÷ 819] x 100 = -22.83%
Formula
Percentage change = [(632 - 819) / 819] x 100
Subtract the new number by the original number
632 - 819 = -187
-187 ÷ 819 = -0.22832722832722832
-0.22832722832722832 x 100 = -22.83%