-29.97% is the change from 664 to 465
Calculation steps:
[( 465 - 664 ) ÷ 664] x 100 = -29.97%
Formula
Percentage change = [(465 - 664) / 664] x 100
Subtract the new number by the original number
465 - 664 = -199
-199 ÷ 664 = -0.2996987951807229
-0.2996987951807229 x 100 = -29.97%