267.9% is the change from 271 to 997
Calculation steps:
[( 997 - 271 ) ÷ 271] x 100 = 267.9%
Formula
Percentage change = [(997 - 271) / 271] x 100
Subtract the new number by the original number
997 - 271 = 726
726 ÷ 271 = 2.678966789667897
2.678966789667897 x 100 = 267.9%