138.81% is the change from 353 to 843
Calculation steps:
[( 843 - 353 ) ÷ 353] x 100 = 138.81%
Formula
Percentage change = [(843 - 353) / 353] x 100
Subtract the new number by the original number
843 - 353 = 490
490 ÷ 353 = 1.388101983002833
1.388101983002833 x 100 = 138.81%