-71.63% is the change from 423 to 120
Calculation steps:
[( 120 - 423 ) ÷ 423] x 100 = -71.63%
Formula
Percentage change = [(120 - 423) / 423] x 100
Subtract the new number by the original number
120 - 423 = -303
-303 ÷ 423 = -0.7163120567375887
-0.7163120567375887 x 100 = -71.63%