-87.34% is the change from 861 to 109
Calculation steps:
[( 109 - 861 ) ÷ 861] x 100 = -87.34%
Formula
Percentage change = [(109 - 861) / 861] x 100
Subtract the new number by the original number
109 - 861 = -752
-752 ÷ 861 = -0.8734030197444832
-0.8734030197444832 x 100 = -87.34%