82.12% is the change from 274 to 499
Calculation steps:
[( 499 - 274 ) ÷ 274] x 100 = 82.12%
Formula
Percentage change = [(499 - 274) / 274] x 100
Subtract the new number by the original number
499 - 274 = 225
225 ÷ 274 = 0.8211678832116789
0.8211678832116789 x 100 = 82.12%