35.89% is the change from 638 to 867
Calculation steps:
[( 867 - 638 ) ÷ 638] x 100 = 35.89%
Formula
Percentage change = [(867 - 638) / 638] x 100
Subtract the new number by the original number
867 - 638 = 229
229 ÷ 638 = 0.35893416927899685
0.35893416927899685 x 100 = 35.89%