-91.29% is the change from 964 to 84
Calculation steps:
[( 84 - 964 ) ÷ 964] x 100 = -91.29%
Formula
Percentage change = [(84 - 964) / 964] x 100
Subtract the new number by the original number
84 - 964 = -880
-880 ÷ 964 = -0.9128630705394191
-0.9128630705394191 x 100 = -91.29%