-80.42% is the change from 664 to 130
Calculation steps:
[( 130 - 664 ) ÷ 664] x 100 = -80.42%
Formula
Percentage change = [(130 - 664) / 664] x 100
Subtract the new number by the original number
130 - 664 = -534
-534 ÷ 664 = -0.8042168674698795
-0.8042168674698795 x 100 = -80.42%