-59.9% is the change from 838 to 336
Calculation steps:
[( 336 - 838 ) ÷ 838] x 100 = -59.9%
Formula
Percentage change = [(336 - 838) / 838] x 100
Subtract the new number by the original number
336 - 838 = -502
-502 ÷ 838 = -0.5990453460620525
-0.5990453460620525 x 100 = -59.9%