40.89% is the change from 609 to 858
Calculation steps:
[( 858 - 609 ) ÷ 609] x 100 = 40.89%
Formula
Percentage change = [(858 - 609) / 609] x 100
Subtract the new number by the original number
858 - 609 = 249
249 ÷ 609 = 0.4088669950738916
0.4088669950738916 x 100 = 40.89%