-12.59% is the change from 294 to 257
Calculation steps:
[( 257 - 294 ) ÷ 294] x 100 = -12.59%
Formula
Percentage change = [(257 - 294) / 294] x 100
Subtract the new number by the original number
257 - 294 = -37
-37 ÷ 294 = -0.12585034013605442
-0.12585034013605442 x 100 = -12.59%