71.98% is the change from 389 to 669
Calculation steps:
[( 669 - 389 ) ÷ 389] x 100 = 71.98%
Formula
Percentage change = [(669 - 389) / 389] x 100
Subtract the new number by the original number
669 - 389 = 280
280 ÷ 389 = 0.7197943444730077
0.7197943444730077 x 100 = 71.98%