-59.07% is the change from 838 to 343
Calculation steps:
[( 343 - 838 ) ÷ 838] x 100 = -59.07%
Formula
Percentage change = [(343 - 838) / 838] x 100
Subtract the new number by the original number
343 - 838 = -495
-495 ÷ 838 = -0.5906921241050119
-0.5906921241050119 x 100 = -59.07%