-91.45% is the change from 585 to 50
Calculation steps:
[( 50 - 585 ) ÷ 585] x 100 = -91.45%
Formula
Percentage change = [(50 - 585) / 585] x 100
Subtract the new number by the original number
50 - 585 = -535
-535 ÷ 585 = -0.9145299145299145
-0.9145299145299145 x 100 = -91.45%