63.47% is the change from 386 to 631
Calculation steps:
[( 631 - 386 ) ÷ 386] x 100 = 63.47%
Formula
Percentage change = [(631 - 386) / 386] x 100
Subtract the new number by the original number
631 - 386 = 245
245 ÷ 386 = 0.6347150259067358
0.6347150259067358 x 100 = 63.47%