-17.26% is the change from 307 to 254
Calculation steps:
[( 254 - 307 ) ÷ 307] x 100 = -17.26%
Formula
Percentage change = [(254 - 307) / 307] x 100
Subtract the new number by the original number
254 - 307 = -53
-53 ÷ 307 = -0.17263843648208468
-0.17263843648208468 x 100 = -17.26%