81.92% is the change from 271 to 493
Calculation steps:
[( 493 - 271 ) ÷ 271] x 100 = 81.92%
Formula
Percentage change = [(493 - 271) / 271] x 100
Subtract the new number by the original number
493 - 271 = 222
222 ÷ 271 = 0.8191881918819188
0.8191881918819188 x 100 = 81.92%