71.53% is the change from 274 to 470
Calculation steps:
[( 470 - 274 ) ÷ 274] x 100 = 71.53%
Formula
Percentage change = [(470 - 274) / 274] x 100
Subtract the new number by the original number
470 - 274 = 196
196 ÷ 274 = 0.7153284671532847
0.7153284671532847 x 100 = 71.53%