-90.87% is the change from 515 to 47
Calculation steps:
[( 47 - 515 ) ÷ 515] x 100 = -90.87%
Formula
Percentage change = [(47 - 515) / 515] x 100
Subtract the new number by the original number
47 - 515 = -468
-468 ÷ 515 = -0.9087378640776699
-0.9087378640776699 x 100 = -90.87%