-42.77% is the change from 664 to 380
Calculation steps:
[( 380 - 664 ) ÷ 664] x 100 = -42.77%
Formula
Percentage change = [(380 - 664) / 664] x 100
Subtract the new number by the original number
380 - 664 = -284
-284 ÷ 664 = -0.42771084337349397
-0.42771084337349397 x 100 = -42.77%