-83.63% is the change from 959 to 157
Calculation steps:
[( 157 - 959 ) ÷ 959] x 100 = -83.63%
Formula
Percentage change = [(157 - 959) / 959] x 100
Subtract the new number by the original number
157 - 959 = -802
-802 ÷ 959 = -0.8362877997914494
-0.8362877997914494 x 100 = -83.63%