269.26% is the change from 270 to 997
Calculation steps:
[( 997 - 270 ) ÷ 270] x 100 = 269.26%
Formula
Percentage change = [(997 - 270) / 270] x 100
Subtract the new number by the original number
997 - 270 = 727
727 ÷ 270 = 2.6925925925925926
2.6925925925925926 x 100 = 269.26%