-15.81% is the change from 664 to 559
Calculation steps:
[( 559 - 664 ) ÷ 664] x 100 = -15.81%
Formula
Percentage change = [(559 - 664) / 664] x 100
Subtract the new number by the original number
559 - 664 = -105
-105 ÷ 664 = -0.15813253012048192
-0.15813253012048192 x 100 = -15.81%