-54.52% is the change from 664 to 302
Calculation steps:
[( 302 - 664 ) ÷ 664] x 100 = -54.52%
Formula
Percentage change = [(302 - 664) / 664] x 100
Subtract the new number by the original number
302 - 664 = -362
-362 ÷ 664 = -0.5451807228915663
-0.5451807228915663 x 100 = -54.52%