111.11% is the change from 270 to 570
Calculation steps:
[( 570 - 270 ) ÷ 270] x 100 = 111.11%
Formula
Percentage change = [(570 - 270) / 270] x 100
Subtract the new number by the original number
570 - 270 = 300
300 ÷ 270 = 1.1111111111111112
1.1111111111111112 x 100 = 111.11%