80.29% is the change from 274 to 494
Calculation steps:
[( 494 - 274 ) ÷ 274] x 100 = 80.29%
Formula
Percentage change = [(494 - 274) / 274] x 100
Subtract the new number by the original number
494 - 274 = 220
220 ÷ 274 = 0.8029197080291971
0.8029197080291971 x 100 = 80.29%