62.63% is the change from 388 to 631
Calculation steps:
[( 631 - 388 ) ÷ 388] x 100 = 62.63%
Formula
Percentage change = [(631 - 388) / 388] x 100
Subtract the new number by the original number
631 - 388 = 243
243 ÷ 388 = 0.6262886597938144
0.6262886597938144 x 100 = 62.63%