-4.67% is the change from 664 to 633
Calculation steps:
[( 633 - 664 ) ÷ 664] x 100 = -4.67%
Formula
Percentage change = [(633 - 664) / 664] x 100
Subtract the new number by the original number
633 - 664 = -31
-31 ÷ 664 = -0.046686746987951805
-0.046686746987951805 x 100 = -4.67%