39.93% is the change from 611 to 855
Calculation steps:
[( 855 - 611 ) ÷ 611] x 100 = 39.93%
Formula
Percentage change = [(855 - 611) / 611] x 100
Subtract the new number by the original number
855 - 611 = 244
244 ÷ 611 = 0.3993453355155483
0.3993453355155483 x 100 = 39.93%