-51.81% is the change from 249 to 120
Calculation steps:
[( 120 - 249 ) ÷ 249] x 100 = -51.81%
Formula
Percentage change = [(120 - 249) / 249] x 100
Subtract the new number by the original number
120 - 249 = -129
-129 ÷ 249 = -0.5180722891566265
-0.5180722891566265 x 100 = -51.81%