-87.05% is the change from 942 to 122
Calculation steps:
[( 122 - 942 ) ÷ 942] x 100 = -87.05%
Formula
Percentage change = [(122 - 942) / 942] x 100
Subtract the new number by the original number
122 - 942 = -820
-820 ÷ 942 = -0.8704883227176221
-0.8704883227176221 x 100 = -87.05%