-83% is the change from 959 to 163
Calculation steps:
[( 163 - 959 ) ÷ 959] x 100 = -83%
Formula
Percentage change = [(163 - 959) / 959] x 100
Subtract the new number by the original number
163 - 959 = -796
-796 ÷ 959 = -0.8300312825860271
-0.8300312825860271 x 100 = -83%