79.93% is the change from 274 to 493
Calculation steps:
[( 493 - 274 ) ÷ 274] x 100 = 79.93%
Formula
Percentage change = [(493 - 274) / 274] x 100
Subtract the new number by the original number
493 - 274 = 219
219 ÷ 274 = 0.7992700729927007
0.7992700729927007 x 100 = 79.93%