71.58% is the change from 278 to 477
Calculation steps:
[( 477 - 278 ) ÷ 278] x 100 = 71.58%
Formula
Percentage change = [(477 - 278) / 278] x 100
Subtract the new number by the original number
477 - 278 = 199
199 ÷ 278 = 0.7158273381294964
0.7158273381294964 x 100 = 71.58%