38.16% is the change from 642 to 887
Calculation steps:
[( 887 - 642 ) ÷ 642] x 100 = 38.16%
Formula
Percentage change = [(887 - 642) / 642] x 100
Subtract the new number by the original number
887 - 642 = 245
245 ÷ 642 = 0.38161993769470404
0.38161993769470404 x 100 = 38.16%