-83.12% is the change from 930 to 157
Calculation steps:
[( 157 - 930 ) ÷ 930] x 100 = -83.12%
Formula
Percentage change = [(157 - 930) / 930] x 100
Subtract the new number by the original number
157 - 930 = -773
-773 ÷ 930 = -0.8311827956989247
-0.8311827956989247 x 100 = -83.12%