40.06% is the change from 639 to 895
Calculation steps:
[( 895 - 639 ) ÷ 639] x 100 = 40.06%
Formula
Percentage change = [(895 - 639) / 639] x 100
Subtract the new number by the original number
895 - 639 = 256
256 ÷ 639 = 0.40062597809076683
0.40062597809076683 x 100 = 40.06%