-24.7% is the change from 676 to 509
Calculation steps:
[( 509 - 676 ) ÷ 676] x 100 = -24.7%
Formula
Percentage change = [(509 - 676) / 676] x 100
Subtract the new number by the original number
509 - 676 = -167
-167 ÷ 676 = -0.2470414201183432
-0.2470414201183432 x 100 = -24.7%