-45.58% is the change from 917 to 499
Calculation steps:
[( 499 - 917 ) ÷ 917] x 100 = -45.58%
Formula
Percentage change = [(499 - 917) / 917] x 100
Subtract the new number by the original number
499 - 917 = -418
-418 ÷ 917 = -0.4558342420937841
-0.4558342420937841 x 100 = -45.58%