-31.78% is the change from 664 to 453
Calculation steps:
[( 453 - 664 ) ÷ 664] x 100 = -31.78%
Formula
Percentage change = [(453 - 664) / 664] x 100
Subtract the new number by the original number
453 - 664 = -211
-211 ÷ 664 = -0.3177710843373494
-0.3177710843373494 x 100 = -31.78%