-69.09% is the change from 838 to 259
Calculation steps:
[( 259 - 838 ) ÷ 838] x 100 = -69.09%
Formula
Percentage change = [(259 - 838) / 838] x 100
Subtract the new number by the original number
259 - 838 = -579
-579 ÷ 838 = -0.6909307875894988
-0.6909307875894988 x 100 = -69.09%