39.01% is the change from 646 to 898
Calculation steps:
[( 898 - 646 ) ÷ 646] x 100 = 39.01%
Formula
Percentage change = [(898 - 646) / 646] x 100
Subtract the new number by the original number
898 - 646 = 252
252 ÷ 646 = 0.39009287925696595
0.39009287925696595 x 100 = 39.01%