59.79% is the change from 388 to 620
Calculation steps:
[( 620 - 388 ) ÷ 388] x 100 = 59.79%
Formula
Percentage change = [(620 - 388) / 388] x 100
Subtract the new number by the original number
620 - 388 = 232
232 ÷ 388 = 0.5979381443298969
0.5979381443298969 x 100 = 59.79%