72.56% is the change from 277 to 478
Calculation steps:
[( 478 - 277 ) ÷ 277] x 100 = 72.56%
Formula
Percentage change = [(478 - 277) / 277] x 100
Subtract the new number by the original number
478 - 277 = 201
201 ÷ 277 = 0.7256317689530686
0.7256317689530686 x 100 = 72.56%