41.97% is the change from 610 to 866
Calculation steps:
[( 866 - 610 ) ÷ 610] x 100 = 41.97%
Formula
Percentage change = [(866 - 610) / 610] x 100
Subtract the new number by the original number
866 - 610 = 256
256 ÷ 610 = 0.419672131147541
0.419672131147541 x 100 = 41.97%