-58.45% is the change from 515 to 214
Calculation steps:
[( 214 - 515 ) ÷ 515] x 100 = -58.45%
Formula
Percentage change = [(214 - 515) / 515] x 100
Subtract the new number by the original number
214 - 515 = -301
-301 ÷ 515 = -0.5844660194174758
-0.5844660194174758 x 100 = -58.45%