84.13% is the change from 271 to 499
Calculation steps:
[( 499 - 271 ) ÷ 271] x 100 = 84.13%
Formula
Percentage change = [(499 - 271) / 271] x 100
Subtract the new number by the original number
499 - 271 = 228
228 ÷ 271 = 0.8413284132841329
0.8413284132841329 x 100 = 84.13%