-12.95% is the change from 664 to 578
Calculation steps:
[( 578 - 664 ) ÷ 664] x 100 = -12.95%
Formula
Percentage change = [(578 - 664) / 664] x 100
Subtract the new number by the original number
578 - 664 = -86
-86 ÷ 664 = -0.12951807228915663
-0.12951807228915663 x 100 = -12.95%