-86.04% is the change from 824 to 115
Calculation steps:
[( 115 - 824 ) ÷ 824] x 100 = -86.04%
Formula
Percentage change = [(115 - 824) / 824] x 100
Subtract the new number by the original number
115 - 824 = -709
-709 ÷ 824 = -0.8604368932038835
-0.8604368932038835 x 100 = -86.04%