206.64% is the change from 271 to 831
Calculation steps:
[( 831 - 271 ) ÷ 271] x 100 = 206.64%
Formula
Percentage change = [(831 - 271) / 271] x 100
Subtract the new number by the original number
831 - 271 = 560
560 ÷ 271 = 2.066420664206642
2.066420664206642 x 100 = 206.64%