77.37% is the change from 274 to 486
Calculation steps:
[( 486 - 274 ) ÷ 274] x 100 = 77.37%
Formula
Percentage change = [(486 - 274) / 274] x 100
Subtract the new number by the original number
486 - 274 = 212
212 ÷ 274 = 0.7737226277372263
0.7737226277372263 x 100 = 77.37%