-87.79% is the change from 942 to 115
Calculation steps:
[( 115 - 942 ) ÷ 942] x 100 = -87.79%
Formula
Percentage change = [(115 - 942) / 942] x 100
Subtract the new number by the original number
115 - 942 = -827
-827 ÷ 942 = -0.8779193205944799
-0.8779193205944799 x 100 = -87.79%