-91.3% is the change from 609 to 53
Calculation steps:
[( 53 - 609 ) ÷ 609] x 100 = -91.3%
Formula
Percentage change = [(53 - 609) / 609] x 100
Subtract the new number by the original number
53 - 609 = -556
-556 ÷ 609 = -0.9129720853858785
-0.9129720853858785 x 100 = -91.3%