-86.02% is the change from 515 to 72
Calculation steps:
[( 72 - 515 ) ÷ 515] x 100 = -86.02%
Formula
Percentage change = [(72 - 515) / 515] x 100
Subtract the new number by the original number
72 - 515 = -443
-443 ÷ 515 = -0.8601941747572815
-0.8601941747572815 x 100 = -86.02%