79.9% is the change from 388 to 698
Calculation steps:
[( 698 - 388 ) ÷ 388] x 100 = 79.9%
Formula
Percentage change = [(698 - 388) / 388] x 100
Subtract the new number by the original number
698 - 388 = 310
310 ÷ 388 = 0.7989690721649485
0.7989690721649485 x 100 = 79.9%