243.54% is the change from 271 to 931
Calculation steps:
[( 931 - 271 ) ÷ 271] x 100 = 243.54%
Formula
Percentage change = [(931 - 271) / 271] x 100
Subtract the new number by the original number
931 - 271 = 660
660 ÷ 271 = 2.4354243542435423
2.4354243542435423 x 100 = 243.54%