-76.31% is the change from 515 to 122
Calculation steps:
[( 122 - 515 ) ÷ 515] x 100 = -76.31%
Formula
Percentage change = [(122 - 515) / 515] x 100
Subtract the new number by the original number
122 - 515 = -393
-393 ÷ 515 = -0.7631067961165049
-0.7631067961165049 x 100 = -76.31%