-49.42% is the change from 257 to 130
Calculation steps:
[( 130 - 257 ) ÷ 257] x 100 = -49.42%
Formula
Percentage change = [(130 - 257) / 257] x 100
Subtract the new number by the original number
130 - 257 = -127
-127 ÷ 257 = -0.49416342412451364
-0.49416342412451364 x 100 = -49.42%