265.68% is the change from 271 to 991
Calculation steps:
[( 991 - 271 ) ÷ 271] x 100 = 265.68%
Formula
Percentage change = [(991 - 271) / 271] x 100
Subtract the new number by the original number
991 - 271 = 720
720 ÷ 271 = 2.6568265682656826
2.6568265682656826 x 100 = 265.68%