3980% is the change from 10 to 408
Calculation steps:
[( 408 - 10 ) ÷ 10] x 100 = 3980%
Formula
Percentage change = [(408 - 10) / 10] x 100
Subtract the new number by the original number
408 - 10 = 398
398 ÷ 10 = 39.8
39.8 x 100 = 3980%
Example