-92.07% is the change from 580 to 46
Calculation steps:
[( 46 - 580 ) ÷ 580] x 100 = -92.07%
Formula
Percentage change = [(46 - 580) / 580] x 100
Subtract the new number by the original number
46 - 580 = -534
-534 ÷ 580 = -0.9206896551724137
-0.9206896551724137 x 100 = -92.07%