40.22% is the change from 639 to 896
Calculation steps:
[( 896 - 639 ) ÷ 639] x 100 = 40.22%
Formula
Percentage change = [(896 - 639) / 639] x 100
Subtract the new number by the original number
896 - 639 = 257
257 ÷ 639 = 0.40219092331768386
0.40219092331768386 x 100 = 40.22%