40.26% is the change from 611 to 857
Calculation steps:
[( 857 - 611 ) ÷ 611] x 100 = 40.26%
Formula
Percentage change = [(857 - 611) / 611] x 100
Subtract the new number by the original number
857 - 611 = 246
246 ÷ 611 = 0.4026186579378069
0.4026186579378069 x 100 = 40.26%