62.66% is the change from 391 to 636
Calculation steps:
[( 636 - 391 ) ÷ 391] x 100 = 62.66%
Formula
Percentage change = [(636 - 391) / 391] x 100
Subtract the new number by the original number
636 - 391 = 245
245 ÷ 391 = 0.6265984654731458
0.6265984654731458 x 100 = 62.66%