38.39% is the change from 646 to 894
Calculation steps:
[( 894 - 646 ) ÷ 646] x 100 = 38.39%
Formula
Percentage change = [(894 - 646) / 646] x 100
Subtract the new number by the original number
894 - 646 = 248
248 ÷ 646 = 0.38390092879256965
0.38390092879256965 x 100 = 38.39%