22.59% is the change from 642 to 787
Calculation steps:
[( 787 - 642 ) ÷ 642] x 100 = 22.59%
Formula
Percentage change = [(787 - 642) / 642] x 100
Subtract the new number by the original number
787 - 642 = 145
145 ÷ 642 = 0.22585669781931464
0.22585669781931464 x 100 = 22.59%