77.12% is the change from 389 to 689
Calculation steps:
[( 689 - 389 ) ÷ 389] x 100 = 77.12%
Formula
Percentage change = [(689 - 389) / 389] x 100
Subtract the new number by the original number
689 - 389 = 300
300 ÷ 389 = 0.7712082262210797
0.7712082262210797 x 100 = 77.12%