3300% is the change from 10 to 340
Calculation steps:
[( 340 - 10 ) ÷ 10] x 100 = 3300%
Formula
Percentage change = [(340 - 10) / 10] x 100
Subtract the new number by the original number
340 - 10 = 330
330 ÷ 10 = 33
33 x 100 = 3300%
Example