71.9% is the change from 274 to 471
Calculation steps:
[( 471 - 274 ) ÷ 274] x 100 = 71.9%
Formula
Percentage change = [(471 - 274) / 274] x 100
Subtract the new number by the original number
471 - 274 = 197
197 ÷ 274 = 0.718978102189781
0.718978102189781 x 100 = 71.9%