-85.64% is the change from 968 to 139
Calculation steps:
[( 139 - 968 ) ÷ 968] x 100 = -85.64%
Formula
Percentage change = [(139 - 968) / 968] x 100
Subtract the new number by the original number
139 - 968 = -829
-829 ÷ 968 = -0.856404958677686
-0.856404958677686 x 100 = -85.64%