-20.7% is the change from 517 to 410
Calculation steps:
[( 410 - 517 ) ÷ 517] x 100 = -20.7%
Formula
Percentage change = [(410 - 517) / 517] x 100
Subtract the new number by the original number
410 - 517 = -107
-107 ÷ 517 = -0.20696324951644102
-0.20696324951644102 x 100 = -20.7%