81.19% is the change from 388 to 703
Calculation steps:
[( 703 - 388 ) ÷ 388] x 100 = 81.19%
Formula
Percentage change = [(703 - 388) / 388] x 100
Subtract the new number by the original number
703 - 388 = 315
315 ÷ 388 = 0.8118556701030928
0.8118556701030928 x 100 = 81.19%