68.89% is the change from 389 to 657
Calculation steps:
[( 657 - 389 ) ÷ 389] x 100 = 68.89%
Formula
Percentage change = [(657 - 389) / 389] x 100
Subtract the new number by the original number
657 - 389 = 268
268 ÷ 389 = 0.6889460154241646
0.6889460154241646 x 100 = 68.89%