-89.71% is the change from 515 to 53
Calculation steps:
[( 53 - 515 ) ÷ 515] x 100 = -89.71%
Formula
Percentage change = [(53 - 515) / 515] x 100
Subtract the new number by the original number
53 - 515 = -462
-462 ÷ 515 = -0.8970873786407767
-0.8970873786407767 x 100 = -89.71%