72.49% is the change from 389 to 671
Calculation steps:
[( 671 - 389 ) ÷ 389] x 100 = 72.49%
Formula
Percentage change = [(671 - 389) / 389] x 100
Subtract the new number by the original number
671 - 389 = 282
282 ÷ 389 = 0.7249357326478149
0.7249357326478149 x 100 = 72.49%