77.58% is the change from 388 to 689
Calculation steps:
[( 689 - 388 ) ÷ 388] x 100 = 77.58%
Formula
Percentage change = [(689 - 388) / 388] x 100
Subtract the new number by the original number
689 - 388 = 301
301 ÷ 388 = 0.7757731958762887
0.7757731958762887 x 100 = 77.58%