-57.64% is the change from 517 to 219
Calculation steps:
[( 219 - 517 ) ÷ 517] x 100 = -57.64%
Formula
Percentage change = [(219 - 517) / 517] x 100
Subtract the new number by the original number
219 - 517 = -298
-298 ÷ 517 = -0.5764023210831721
-0.5764023210831721 x 100 = -57.64%