38.7% is the change from 646 to 896
Calculation steps:
[( 896 - 646 ) ÷ 646] x 100 = 38.7%
Formula
Percentage change = [(896 - 646) / 646] x 100
Subtract the new number by the original number
896 - 646 = 250
250 ÷ 646 = 0.38699690402476783
0.38699690402476783 x 100 = 38.7%