-49.13% is the change from 517 to 263
Calculation steps:
[( 263 - 517 ) ÷ 517] x 100 = -49.13%
Formula
Percentage change = [(263 - 517) / 517] x 100
Subtract the new number by the original number
263 - 517 = -254
-254 ÷ 517 = -0.4912959381044487
-0.4912959381044487 x 100 = -49.13%