-86.96% is the change from 943 to 123
Calculation steps:
[( 123 - 943 ) ÷ 943] x 100 = -86.96%
Formula
Percentage change = [(123 - 943) / 943] x 100
Subtract the new number by the original number
123 - 943 = -820
-820 ÷ 943 = -0.8695652173913043
-0.8695652173913043 x 100 = -86.96%