25.39% is the change from 642 to 805
Calculation steps:
[( 805 - 642 ) ÷ 642] x 100 = 25.39%
Formula
Percentage change = [(805 - 642) / 642] x 100
Subtract the new number by the original number
805 - 642 = 163
163 ÷ 642 = 0.2538940809968847
0.2538940809968847 x 100 = 25.39%