253.31% is the change from 242 to 855
Calculation steps:
[( 855 - 242 ) ÷ 242] x 100 = 253.31%
Formula
Percentage change = [(855 - 242) / 242] x 100
Subtract the new number by the original number
855 - 242 = 613
613 ÷ 242 = 2.5330578512396693
2.5330578512396693 x 100 = 253.31%