-30.42% is the change from 664 to 462
Calculation steps:
[( 462 - 664 ) ÷ 664] x 100 = -30.42%
Formula
Percentage change = [(462 - 664) / 664] x 100
Subtract the new number by the original number
462 - 664 = -202
-202 ÷ 664 = -0.3042168674698795
-0.3042168674698795 x 100 = -30.42%