-82.5% is the change from 920 to 161
Calculation steps:
[( 161 - 920 ) ÷ 920] x 100 = -82.5%
Formula
Percentage change = [(161 - 920) / 920] x 100
Subtract the new number by the original number
161 - 920 = -759
-759 ÷ 920 = -0.825
-0.825 x 100 = -82.5%