-92.23% is the change from 579 to 45
Calculation steps:
[( 45 - 579 ) ÷ 579] x 100 = -92.23%
Formula
Percentage change = [(45 - 579) / 579] x 100
Subtract the new number by the original number
45 - 579 = -534
-534 ÷ 579 = -0.9222797927461139
-0.9222797927461139 x 100 = -92.23%