25.66% is the change from 643 to 808
Calculation steps:
[( 808 - 643 ) ÷ 643] x 100 = 25.66%
Formula
Percentage change = [(808 - 643) / 643] x 100
Subtract the new number by the original number
808 - 643 = 165
165 ÷ 643 = 0.25660964230171074
0.25660964230171074 x 100 = 25.66%