-83.59% is the change from 963 to 158
Calculation steps:
[( 158 - 963 ) ÷ 963] x 100 = -83.59%
Formula
Percentage change = [(158 - 963) / 963] x 100
Subtract the new number by the original number
158 - 963 = -805
-805 ÷ 963 = -0.8359293873312564
-0.8359293873312564 x 100 = -83.59%