9.39% is the change from 277 to 303
Calculation steps:
[( 303 - 277 ) ÷ 277] x 100 = 9.39%
Formula
Percentage change = [(303 - 277) / 277] x 100
Subtract the new number by the original number
303 - 277 = 26
26 ÷ 277 = 0.09386281588447654
0.09386281588447654 x 100 = 9.39%