-83.82% is the change from 964 to 156
Calculation steps:
[( 156 - 964 ) ÷ 964] x 100 = -83.82%
Formula
Percentage change = [(156 - 964) / 964] x 100
Subtract the new number by the original number
156 - 964 = -808
-808 ÷ 964 = -0.8381742738589212
-0.8381742738589212 x 100 = -83.82%