107.01% is the change from 271 to 561
Calculation steps:
[( 561 - 271 ) ÷ 271] x 100 = 107.01%
Formula
Percentage change = [(561 - 271) / 271] x 100
Subtract the new number by the original number
561 - 271 = 290
290 ÷ 271 = 1.070110701107011
1.070110701107011 x 100 = 107.01%