-47.29% is the change from 664 to 350
Calculation steps:
[( 350 - 664 ) ÷ 664] x 100 = -47.29%
Formula
Percentage change = [(350 - 664) / 664] x 100
Subtract the new number by the original number
350 - 664 = -314
-314 ÷ 664 = -0.47289156626506024
-0.47289156626506024 x 100 = -47.29%