-19.87% is the change from 599 to 480
Calculation steps:
[( 480 - 599 ) ÷ 599] x 100 = -19.87%
Formula
Percentage change = [(480 - 599) / 599] x 100
Subtract the new number by the original number
480 - 599 = -119
-119 ÷ 599 = -0.1986644407345576
-0.1986644407345576 x 100 = -19.87%