115.5% is the change from 271 to 584
Calculation steps:
[( 584 - 271 ) ÷ 271] x 100 = 115.5%
Formula
Percentage change = [(584 - 271) / 271] x 100
Subtract the new number by the original number
584 - 271 = 313
313 ÷ 271 = 1.154981549815498
1.154981549815498 x 100 = 115.5%