25.47% is the change from 644 to 808
Calculation steps:
[( 808 - 644 ) ÷ 644] x 100 = 25.47%
Formula
Percentage change = [(808 - 644) / 644] x 100
Subtract the new number by the original number
808 - 644 = 164
164 ÷ 644 = 0.2546583850931677
0.2546583850931677 x 100 = 25.47%