1200% is the change from 33 to 429
Calculation steps:
[( 429 - 33 ) ÷ 33] x 100 = 1200%
Formula
Percentage change = [(429 - 33) / 33] x 100
Subtract the new number by the original number
429 - 33 = 396
396 ÷ 33 = 12
12 x 100 = 1200%
Example