-94.98% is the change from 837 to 42
Calculation steps:
[( 42 - 837 ) ÷ 837] x 100 = -94.98%
Formula
Percentage change = [(42 - 837) / 837] x 100
Subtract the new number by the original number
42 - 837 = -795
-795 ÷ 837 = -0.9498207885304659
-0.9498207885304659 x 100 = -94.98%