117.01% is the change from 388 to 842
Calculation steps:
[( 842 - 388 ) ÷ 388] x 100 = 117.01%
Formula
Percentage change = [(842 - 388) / 388] x 100
Subtract the new number by the original number
842 - 388 = 454
454 ÷ 388 = 1.1701030927835052
1.1701030927835052 x 100 = 117.01%