-59.14% is the change from 509 to 208
Calculation steps:
[( 208 - 509 ) ÷ 509] x 100 = -59.14%
Formula
Percentage change = [(208 - 509) / 509] x 100
Subtract the new number by the original number
208 - 509 = -301
-301 ÷ 509 = -0.5913555992141454
-0.5913555992141454 x 100 = -59.14%