-12.29% is the change from 293 to 257
Calculation steps:
[( 257 - 293 ) ÷ 293] x 100 = -12.29%
Formula
Percentage change = [(257 - 293) / 293] x 100
Subtract the new number by the original number
257 - 293 = -36
-36 ÷ 293 = -0.12286689419795221
-0.12286689419795221 x 100 = -12.29%