25.98% is the change from 639 to 805
Calculation steps:
[( 805 - 639 ) ÷ 639] x 100 = 25.98%
Formula
Percentage change = [(805 - 639) / 639] x 100
Subtract the new number by the original number
805 - 639 = 166
166 ÷ 639 = 0.2597809076682316
0.2597809076682316 x 100 = 25.98%