-83.7% is the change from 963 to 157
Calculation steps:
[( 157 - 963 ) ÷ 963] x 100 = -83.7%
Formula
Percentage change = [(157 - 963) / 963] x 100
Subtract the new number by the original number
157 - 963 = -806
-806 ÷ 963 = -0.8369678089304258
-0.8369678089304258 x 100 = -83.7%