87.8% is the change from 254 to 477
Calculation steps:
[( 477 - 254 ) ÷ 254] x 100 = 87.8%
Formula
Percentage change = [(477 - 254) / 254] x 100
Subtract the new number by the original number
477 - 254 = 223
223 ÷ 254 = 0.8779527559055118
0.8779527559055118 x 100 = 87.8%