20.25% is the change from 642 to 772
Calculation steps:
[( 772 - 642 ) ÷ 642] x 100 = 20.25%
Formula
Percentage change = [(772 - 642) / 642] x 100
Subtract the new number by the original number
772 - 642 = 130
130 ÷ 642 = 0.20249221183800623
0.20249221183800623 x 100 = 20.25%