1348.28% is the change from 29 to 420
Calculation steps:
[( 420 - 29 ) ÷ 29] x 100 = 1348.28%
Formula
Percentage change = [(420 - 29) / 29] x 100
Subtract the new number by the original number
420 - 29 = 391
391 ÷ 29 = 13.482758620689655
13.482758620689655 x 100 = 1348.28%