-17.79% is the change from 607 to 499
Calculation steps:
[( 499 - 607 ) ÷ 607] x 100 = -17.79%
Formula
Percentage change = [(499 - 607) / 607] x 100
Subtract the new number by the original number
499 - 607 = -108
-108 ÷ 607 = -0.17792421746293247
-0.17792421746293247 x 100 = -17.79%