-72.82% is the change from 515 to 140
Calculation steps:
[( 140 - 515 ) ÷ 515] x 100 = -72.82%
Formula
Percentage change = [(140 - 515) / 515] x 100
Subtract the new number by the original number
140 - 515 = -375
-375 ÷ 515 = -0.7281553398058253
-0.7281553398058253 x 100 = -72.82%