-25.45% is the change from 664 to 495
Calculation steps:
[( 495 - 664 ) ÷ 664] x 100 = -25.45%
Formula
Percentage change = [(495 - 664) / 664] x 100
Subtract the new number by the original number
495 - 664 = -169
-169 ÷ 664 = -0.2545180722891566
-0.2545180722891566 x 100 = -25.45%