40.75% is the change from 638 to 898
Calculation steps:
[( 898 - 638 ) ÷ 638] x 100 = 40.75%
Formula
Percentage change = [(898 - 638) / 638] x 100
Subtract the new number by the original number
898 - 638 = 260
260 ÷ 638 = 0.40752351097178685
0.40752351097178685 x 100 = 40.75%