64.75% is the change from 400 to 659
Calculation steps:
[( 659 - 400 ) ÷ 400] x 100 = 64.75%
Formula
Percentage change = [(659 - 400) / 400] x 100
Subtract the new number by the original number
659 - 400 = 259
259 ÷ 400 = 0.6475
0.6475 x 100 = 64.75%