41.21% is the change from 643 to 908
Calculation steps:
[( 908 - 643 ) ÷ 643] x 100 = 41.21%
Formula
Percentage change = [(908 - 643) / 643] x 100
Subtract the new number by the original number
908 - 643 = 265
265 ÷ 643 = 0.4121306376360809
0.4121306376360809 x 100 = 41.21%