939.39% is the change from 33 to 343
Calculation steps:
[( 343 - 33 ) ÷ 33] x 100 = 939.39%
Formula
Percentage change = [(343 - 33) / 33] x 100
Subtract the new number by the original number
343 - 33 = 310
310 ÷ 33 = 9.393939393939394
9.393939393939394 x 100 = 939.39%