24.46% is the change from 646 to 804
Calculation steps:
[( 804 - 646 ) ÷ 646] x 100 = 24.46%
Formula
Percentage change = [(804 - 646) / 646] x 100
Subtract the new number by the original number
804 - 646 = 158
158 ÷ 646 = 0.24458204334365324
0.24458204334365324 x 100 = 24.46%