78.21% is the change from 358 to 638
Calculation steps:
[( 638 - 358 ) ÷ 358] x 100 = 78.21%
Formula
Percentage change = [(638 - 358) / 358] x 100
Subtract the new number by the original number
638 - 358 = 280
280 ÷ 358 = 0.7821229050279329
0.7821229050279329 x 100 = 78.21%