-12.88% is the change from 295 to 257
Calculation steps:
[( 257 - 295 ) ÷ 295] x 100 = -12.88%
Formula
Percentage change = [(257 - 295) / 295] x 100
Subtract the new number by the original number
257 - 295 = -38
-38 ÷ 295 = -0.1288135593220339
-0.1288135593220339 x 100 = -12.88%