77.25% is the change from 255 to 452
Calculation steps:
[( 452 - 255 ) ÷ 255] x 100 = 77.25%
Formula
Percentage change = [(452 - 255) / 255] x 100
Subtract the new number by the original number
452 - 255 = 197
197 ÷ 255 = 0.7725490196078432
0.7725490196078432 x 100 = 77.25%