78.99% is the change from 357 to 639
Calculation steps:
[( 639 - 357 ) ÷ 357] x 100 = 78.99%
Formula
Percentage change = [(639 - 357) / 357] x 100
Subtract the new number by the original number
639 - 357 = 282
282 ÷ 357 = 0.7899159663865546
0.7899159663865546 x 100 = 78.99%