-83.04% is the change from 920 to 156
Calculation steps:
[( 156 - 920 ) ÷ 920] x 100 = -83.04%
Formula
Percentage change = [(156 - 920) / 920] x 100
Subtract the new number by the original number
156 - 920 = -764
-764 ÷ 920 = -0.8304347826086956
-0.8304347826086956 x 100 = -83.04%