-70.17% is the change from 838 to 250
Calculation steps:
[( 250 - 838 ) ÷ 838] x 100 = -70.17%
Formula
Percentage change = [(250 - 838) / 838] x 100
Subtract the new number by the original number
250 - 838 = -588
-588 ÷ 838 = -0.7016706443914081
-0.7016706443914081 x 100 = -70.17%