-65.83% is the change from 515 to 176
Calculation steps:
[( 176 - 515 ) ÷ 515] x 100 = -65.83%
Formula
Percentage change = [(176 - 515) / 515] x 100
Subtract the new number by the original number
176 - 515 = -339
-339 ÷ 515 = -0.658252427184466
-0.658252427184466 x 100 = -65.83%