-71.2% is the change from 868 to 250
Calculation steps:
[( 250 - 868 ) ÷ 868] x 100 = -71.2%
Formula
Percentage change = [(250 - 868) / 868] x 100
Subtract the new number by the original number
250 - 868 = -618
-618 ÷ 868 = -0.7119815668202765
-0.7119815668202765 x 100 = -71.2%