122.42% is the change from 388 to 863
Calculation steps:
[( 863 - 388 ) ÷ 388] x 100 = 122.42%
Formula
Percentage change = [(863 - 388) / 388] x 100
Subtract the new number by the original number
863 - 388 = 475
475 ÷ 388 = 1.2242268041237114
1.2242268041237114 x 100 = 122.42%