-31.83% is the change from 377 to 257
Calculation steps:
[( 257 - 377 ) ÷ 377] x 100 = -31.83%
Formula
Percentage change = [(257 - 377) / 377] x 100
Subtract the new number by the original number
257 - 377 = -120
-120 ÷ 377 = -0.3183023872679045
-0.3183023872679045 x 100 = -31.83%