40.36% is the change from 617 to 866
Calculation steps:
[( 866 - 617 ) ÷ 617] x 100 = 40.36%
Formula
Percentage change = [(866 - 617) / 617] x 100
Subtract the new number by the original number
866 - 617 = 249
249 ÷ 617 = 0.4035656401944895
0.4035656401944895 x 100 = 40.36%