102.57% is the change from 389 to 788
Calculation steps:
[( 788 - 389 ) ÷ 389] x 100 = 102.57%
Formula
Percentage change = [(788 - 389) / 389] x 100
Subtract the new number by the original number
788 - 389 = 399
399 ÷ 389 = 1.025706940874036
1.025706940874036 x 100 = 102.57%