-80.83% is the change from 120 to 23
Calculation steps:
[( 23 - 120 ) ÷ 120] x 100 = -80.83%
Formula
Percentage change = [(23 - 120) / 120] x 100
Subtract the new number by the original number
23 - 120 = -97
-97 ÷ 120 = -0.8083333333333333
-0.8083333333333333 x 100 = -80.83%