-80.61% is the change from 294 to 57
Calculation steps:
[( 57 - 294 ) ÷ 294] x 100 = -80.61%
Formula
Percentage change = [(57 - 294) / 294] x 100
Subtract the new number by the original number
57 - 294 = -237
-237 ÷ 294 = -0.8061224489795918
-0.8061224489795918 x 100 = -80.61%