26.44% is the change from 609 to 770
Calculation steps:
[( 770 - 609 ) ÷ 609] x 100 = 26.44%
Formula
Percentage change = [(770 - 609) / 609] x 100
Subtract the new number by the original number
770 - 609 = 161
161 ÷ 609 = 0.26436781609195403
0.26436781609195403 x 100 = 26.44%