-66.27% is the change from 664 to 224
Calculation steps:
[( 224 - 664 ) ÷ 664] x 100 = -66.27%
Formula
Percentage change = [(224 - 664) / 664] x 100
Subtract the new number by the original number
224 - 664 = -440
-440 ÷ 664 = -0.6626506024096386
-0.6626506024096386 x 100 = -66.27%