-82.37% is the change from 964 to 170
Calculation steps:
[( 170 - 964 ) ÷ 964] x 100 = -82.37%
Formula
Percentage change = [(170 - 964) / 964] x 100
Subtract the new number by the original number
170 - 964 = -794
-794 ÷ 964 = -0.8236514522821576
-0.8236514522821576 x 100 = -82.37%