71.7% is the change from 265 to 455
Calculation steps:
[( 455 - 265 ) ÷ 265] x 100 = 71.7%
Formula
Percentage change = [(455 - 265) / 265] x 100
Subtract the new number by the original number
455 - 265 = 190
190 ÷ 265 = 0.7169811320754716
0.7169811320754716 x 100 = 71.7%