3330% is the change from 10 to 343
Calculation steps:
[( 343 - 10 ) ÷ 10] x 100 = 3330%
Formula
Percentage change = [(343 - 10) / 10] x 100
Subtract the new number by the original number
343 - 10 = 333
333 ÷ 10 = 33.3
33.3 x 100 = 3330%
Example