-18.33% is the change from 611 to 499
Calculation steps:
[( 499 - 611 ) ÷ 611] x 100 = -18.33%
Formula
Percentage change = [(499 - 611) / 611] x 100
Subtract the new number by the original number
499 - 611 = -112
-112 ÷ 611 = -0.18330605564648117
-0.18330605564648117 x 100 = -18.33%