75% is the change from 388 to 679
Calculation steps:
[( 679 - 388 ) ÷ 388] x 100 = 75%
Formula
Percentage change = [(679 - 388) / 388] x 100
Subtract the new number by the original number
679 - 388 = 291
291 ÷ 388 = 0.75
0.75 x 100 = 75%
Example