3420% is the change from 10 to 352
Calculation steps:
[( 352 - 10 ) ÷ 10] x 100 = 3420%
Formula
Percentage change = [(352 - 10) / 10] x 100
Subtract the new number by the original number
352 - 10 = 342
342 ÷ 10 = 34.2
34.2 x 100 = 3420%
Example