152.4% is the change from 334 to 843
Calculation steps:
[( 843 - 334 ) ÷ 334] x 100 = 152.4%
Formula
Percentage change = [(843 - 334) / 334] x 100
Subtract the new number by the original number
843 - 334 = 509
509 ÷ 334 = 1.5239520958083832
1.5239520958083832 x 100 = 152.4%