-62.72% is the change from 515 to 192
Calculation steps:
[( 192 - 515 ) ÷ 515] x 100 = -62.72%
Formula
Percentage change = [(192 - 515) / 515] x 100
Subtract the new number by the original number
192 - 515 = -323
-323 ÷ 515 = -0.6271844660194175
-0.6271844660194175 x 100 = -62.72%