99.26% is the change from 271 to 540
Calculation steps:
[( 540 - 271 ) ÷ 271] x 100 = 99.26%
Formula
Percentage change = [(540 - 271) / 271] x 100
Subtract the new number by the original number
540 - 271 = 269
269 ÷ 271 = 0.992619926199262
0.992619926199262 x 100 = 99.26%