-88.02% is the change from 334 to 40
Calculation steps:
[( 40 - 334 ) ÷ 334] x 100 = -88.02%
Formula
Percentage change = [(40 - 334) / 334] x 100
Subtract the new number by the original number
40 - 334 = -294
-294 ÷ 334 = -0.8802395209580839
-0.8802395209580839 x 100 = -88.02%