39.56% is the change from 642 to 896
Calculation steps:
[( 896 - 642 ) ÷ 642] x 100 = 39.56%
Formula
Percentage change = [(896 - 642) / 642] x 100
Subtract the new number by the original number
896 - 642 = 254
254 ÷ 642 = 0.3956386292834891
0.3956386292834891 x 100 = 39.56%