-46.03% is the change from 517 to 279
Calculation steps:
[( 279 - 517 ) ÷ 517] x 100 = -46.03%
Formula
Percentage change = [(279 - 517) / 517] x 100
Subtract the new number by the original number
279 - 517 = -238
-238 ÷ 517 = -0.46034816247582205
-0.46034816247582205 x 100 = -46.03%