-53.31% is the change from 257 to 120
Calculation steps:
[( 120 - 257 ) ÷ 257] x 100 = -53.31%
Formula
Percentage change = [(120 - 257) / 257] x 100
Subtract the new number by the original number
120 - 257 = -137
-137 ÷ 257 = -0.5330739299610895
-0.5330739299610895 x 100 = -53.31%