-83.07% is the change from 963 to 163
Calculation steps:
[( 163 - 963 ) ÷ 963] x 100 = -83.07%
Formula
Percentage change = [(163 - 963) / 963] x 100
Subtract the new number by the original number
163 - 963 = -800
-800 ÷ 963 = -0.8307372793354102
-0.8307372793354102 x 100 = -83.07%