-82.33% is the change from 968 to 171
Calculation steps:
[( 171 - 968 ) ÷ 968] x 100 = -82.33%
Formula
Percentage change = [(171 - 968) / 968] x 100
Subtract the new number by the original number
171 - 968 = -797
-797 ÷ 968 = -0.8233471074380165
-0.8233471074380165 x 100 = -82.33%