-73.68% is the change from 950 to 250
Calculation steps:
[( 250 - 950 ) ÷ 950] x 100 = -73.68%
Formula
Percentage change = [(250 - 950) / 950] x 100
Subtract the new number by the original number
250 - 950 = -700
-700 ÷ 950 = -0.7368421052631579
-0.7368421052631579 x 100 = -73.68%