52.08% is the change from 265 to 403
Calculation steps:
[( 403 - 265 ) ÷ 265] x 100 = 52.08%
Formula
Percentage change = [(403 - 265) / 265] x 100
Subtract the new number by the original number
403 - 265 = 138
138 ÷ 265 = 0.5207547169811321
0.5207547169811321 x 100 = 52.08%