22.43% is the change from 642 to 786
Calculation steps:
[( 786 - 642 ) ÷ 642] x 100 = 22.43%
Formula
Percentage change = [(786 - 642) / 642] x 100
Subtract the new number by the original number
786 - 642 = 144
144 ÷ 642 = 0.22429906542056074
0.22429906542056074 x 100 = 22.43%