65.58% is the change from 398 to 659
Calculation steps:
[( 659 - 398 ) ÷ 398] x 100 = 65.58%
Formula
Percentage change = [(659 - 398) / 398] x 100
Subtract the new number by the original number
659 - 398 = 261
261 ÷ 398 = 0.6557788944723618
0.6557788944723618 x 100 = 65.58%