1402.94% is the change from 34 to 511
Calculation steps:
[( 511 - 34 ) ÷ 34] x 100 = 1402.94%
Formula
Percentage change = [(511 - 34) / 34] x 100
Subtract the new number by the original number
511 - 34 = 477
477 ÷ 34 = 14.029411764705882
14.029411764705882 x 100 = 1402.94%