-87.86% is the change from 964 to 117
Calculation steps:
[( 117 - 964 ) ÷ 964] x 100 = -87.86%
Formula
Percentage change = [(117 - 964) / 964] x 100
Subtract the new number by the original number
117 - 964 = -847
-847 ÷ 964 = -0.8786307053941909
-0.8786307053941909 x 100 = -87.86%