-87.46% is the change from 869 to 109
Calculation steps:
[( 109 - 869 ) ÷ 869] x 100 = -87.46%
Formula
Percentage change = [(109 - 869) / 869] x 100
Subtract the new number by the original number
109 - 869 = -760
-760 ÷ 869 = -0.8745684695051784
-0.8745684695051784 x 100 = -87.46%