-27.8% is the change from 838 to 605
Calculation steps:
[( 605 - 838 ) ÷ 838] x 100 = -27.8%
Formula
Percentage change = [(605 - 838) / 838] x 100
Subtract the new number by the original number
605 - 838 = -233
-233 ÷ 838 = -0.27804295942720764
-0.27804295942720764 x 100 = -27.8%