-52.03% is the change from 517 to 248
Calculation steps:
[( 248 - 517 ) ÷ 517] x 100 = -52.03%
Formula
Percentage change = [(248 - 517) / 517] x 100
Subtract the new number by the original number
248 - 517 = -269
-269 ÷ 517 = -0.5203094777562862
-0.5203094777562862 x 100 = -52.03%