-64.91% is the change from 664 to 233
Calculation steps:
[( 233 - 664 ) ÷ 664] x 100 = -64.91%
Formula
Percentage change = [(233 - 664) / 664] x 100
Subtract the new number by the original number
233 - 664 = -431
-431 ÷ 664 = -0.6490963855421686
-0.6490963855421686 x 100 = -64.91%