-92.61% is the change from 609 to 45
Calculation steps:
[( 45 - 609 ) ÷ 609] x 100 = -92.61%
Formula
Percentage change = [(45 - 609) / 609] x 100
Subtract the new number by the original number
45 - 609 = -564
-564 ÷ 609 = -0.9261083743842364
-0.9261083743842364 x 100 = -92.61%