-82.93% is the change from 920 to 157
Calculation steps:
[( 157 - 920 ) ÷ 920] x 100 = -82.93%
Formula
Percentage change = [(157 - 920) / 920] x 100
Subtract the new number by the original number
157 - 920 = -763
-763 ÷ 920 = -0.8293478260869566
-0.8293478260869566 x 100 = -82.93%