-55.45% is the change from 660 to 294
Calculation steps:
[( 294 - 660 ) ÷ 660] x 100 = -55.45%
Formula
Percentage change = [(294 - 660) / 660] x 100
Subtract the new number by the original number
294 - 660 = -366
-366 ÷ 660 = -0.5545454545454546
-0.5545454545454546 x 100 = -55.45%