35.91% is the change from 646 to 878
Calculation steps:
[( 878 - 646 ) ÷ 646] x 100 = 35.91%
Formula
Percentage change = [(878 - 646) / 646] x 100
Subtract the new number by the original number
878 - 646 = 232
232 ÷ 646 = 0.3591331269349845
0.3591331269349845 x 100 = 35.91%