-87.67% is the change from 949 to 117
Calculation steps:
[( 117 - 949 ) ÷ 949] x 100 = -87.67%
Formula
Percentage change = [(117 - 949) / 949] x 100
Subtract the new number by the original number
117 - 949 = -832
-832 ÷ 949 = -0.8767123287671232
-0.8767123287671232 x 100 = -87.67%