-16.36% is the change from 599 to 501
Calculation steps:
[( 501 - 599 ) ÷ 599] x 100 = -16.36%
Formula
Percentage change = [(501 - 599) / 599] x 100
Subtract the new number by the original number
501 - 599 = -98
-98 ÷ 599 = -0.1636060100166945
-0.1636060100166945 x 100 = -16.36%