156.96% is the change from 388 to 997
Calculation steps:
[( 997 - 388 ) ÷ 388] x 100 = 156.96%
Formula
Percentage change = [(997 - 388) / 388] x 100
Subtract the new number by the original number
997 - 388 = 609
609 ÷ 388 = 1.5695876288659794
1.5695876288659794 x 100 = 156.96%