61.86% is the change from 388 to 628
Calculation steps:
[( 628 - 388 ) ÷ 388] x 100 = 61.86%
Formula
Percentage change = [(628 - 388) / 388] x 100
Subtract the new number by the original number
628 - 388 = 240
240 ÷ 388 = 0.6185567010309279
0.6185567010309279 x 100 = 61.86%