28.66% is the change from 642 to 826
Calculation steps:
[( 826 - 642 ) ÷ 642] x 100 = 28.66%
Formula
Percentage change = [(826 - 642) / 642] x 100
Subtract the new number by the original number
826 - 642 = 184
184 ÷ 642 = 0.2866043613707165
0.2866043613707165 x 100 = 28.66%