-22.76% is the change from 646 to 499
Calculation steps:
[( 499 - 646 ) ÷ 646] x 100 = -22.76%
Formula
Percentage change = [(499 - 646) / 646] x 100
Subtract the new number by the original number
499 - 646 = -147
-147 ÷ 646 = -0.22755417956656346
-0.22755417956656346 x 100 = -22.76%