-19.58% is the change from 659 to 530
Calculation steps:
[( 530 - 659 ) ÷ 659] x 100 = -19.58%
Formula
Percentage change = [(530 - 659) / 659] x 100
Subtract the new number by the original number
530 - 659 = -129
-129 ÷ 659 = -0.19575113808801214
-0.19575113808801214 x 100 = -19.58%