-70.25% is the change from 837 to 249
Calculation steps:
[( 249 - 837 ) ÷ 837] x 100 = -70.25%
Formula
Percentage change = [(249 - 837) / 837] x 100
Subtract the new number by the original number
249 - 837 = -588
-588 ÷ 837 = -0.7025089605734767
-0.7025089605734767 x 100 = -70.25%