-29.87% is the change from 837 to 587
Calculation steps:
[( 587 - 837 ) ÷ 837] x 100 = -29.87%
Formula
Percentage change = [(587 - 837) / 837] x 100
Subtract the new number by the original number
587 - 837 = -250
-250 ÷ 837 = -0.2986857825567503
-0.2986857825567503 x 100 = -29.87%