-10.9% is the change from 587 to 523
Calculation steps:
[( 523 - 587 ) ÷ 587] x 100 = -10.9%
Formula
Percentage change = [(523 - 587) / 587] x 100
Subtract the new number by the original number
523 - 587 = -64
-64 ÷ 587 = -0.10902896081771721
-0.10902896081771721 x 100 = -10.9%