40.49% is the change from 610 to 857
Calculation steps:
[( 857 - 610 ) ÷ 610] x 100 = 40.49%
Formula
Percentage change = [(857 - 610) / 610] x 100
Subtract the new number by the original number
857 - 610 = 247
247 ÷ 610 = 0.40491803278688526
0.40491803278688526 x 100 = 40.49%