-12.78% is the change from 587 to 512
Calculation steps:
[( 512 - 587 ) ÷ 587] x 100 = -12.78%
Formula
Percentage change = [(512 - 587) / 587] x 100
Subtract the new number by the original number
512 - 587 = -75
-75 ÷ 587 = -0.12776831345826234
-0.12776831345826234 x 100 = -12.78%