-42.02% is the change from 257 to 149
Calculation steps:
[( 149 - 257 ) ÷ 257] x 100 = -42.02%
Formula
Percentage change = [(149 - 257) / 257] x 100
Subtract the new number by the original number
149 - 257 = -108
-108 ÷ 257 = -0.42023346303501946
-0.42023346303501946 x 100 = -42.02%