-48.93% is the change from 515 to 263
Calculation steps:
[( 263 - 515 ) ÷ 515] x 100 = -48.93%
Formula
Percentage change = [(263 - 515) / 515] x 100
Subtract the new number by the original number
263 - 515 = -252
-252 ÷ 515 = -0.4893203883495146
-0.4893203883495146 x 100 = -48.93%