-77.31% is the change from 824 to 187
Calculation steps:
[( 187 - 824 ) ÷ 824] x 100 = -77.31%
Formula
Percentage change = [(187 - 824) / 824] x 100
Subtract the new number by the original number
187 - 824 = -637
-637 ÷ 824 = -0.7730582524271845
-0.7730582524271845 x 100 = -77.31%