-12.63% is the change from 586 to 512
Calculation steps:
[( 512 - 586 ) ÷ 586] x 100 = -12.63%
Formula
Percentage change = [(512 - 586) / 586] x 100
Subtract the new number by the original number
512 - 586 = -74
-74 ÷ 586 = -0.12627986348122866
-0.12627986348122866 x 100 = -12.63%