-55.72% is the change from 664 to 294
Calculation steps:
[( 294 - 664 ) ÷ 664] x 100 = -55.72%
Formula
Percentage change = [(294 - 664) / 664] x 100
Subtract the new number by the original number
294 - 664 = -370
-370 ÷ 664 = -0.5572289156626506
-0.5572289156626506 x 100 = -55.72%