-94.62% is the change from 837 to 45
Calculation steps:
[( 45 - 837 ) ÷ 837] x 100 = -94.62%
Formula
Percentage change = [(45 - 837) / 837] x 100
Subtract the new number by the original number
45 - 837 = -792
-792 ÷ 837 = -0.946236559139785
-0.946236559139785 x 100 = -94.62%