-70.96% is the change from 861 to 250
Calculation steps:
[( 250 - 861 ) ÷ 861] x 100 = -70.96%
Formula
Percentage change = [(250 - 861) / 861] x 100
Subtract the new number by the original number
250 - 861 = -611
-611 ÷ 861 = -0.7096399535423926
-0.7096399535423926 x 100 = -70.96%