-56.01% is the change from 666 to 293
Calculation steps:
[( 293 - 666 ) ÷ 666] x 100 = -56.01%
Formula
Percentage change = [(293 - 666) / 666] x 100
Subtract the new number by the original number
293 - 666 = -373
-373 ÷ 666 = -0.56006006006006
-0.56006006006006 x 100 = -56.01%