270.97% is the change from 155 to 575
Calculation steps:
[( 575 - 155 ) ÷ 155] x 100 = 270.97%
Formula
Percentage change = [(575 - 155) / 155] x 100
Subtract the new number by the original number
575 - 155 = 420
420 ÷ 155 = 2.7096774193548385
2.7096774193548385 x 100 = 270.97%