3038.1% is the change from 21 to 659
Calculation steps:
[( 659 - 21 ) ÷ 21] x 100 = 3038.1%
Formula
Percentage change = [(659 - 21) / 21] x 100
Subtract the new number by the original number
659 - 21 = 638
638 ÷ 21 = 30.38095238095238
30.38095238095238 x 100 = 3038.1%