36.22% is the change from 646 to 880
Calculation steps:
[( 880 - 646 ) ÷ 646] x 100 = 36.22%
Formula
Percentage change = [(880 - 646) / 646] x 100
Subtract the new number by the original number
880 - 646 = 234
234 ÷ 646 = 0.3622291021671827
0.3622291021671827 x 100 = 36.22%