-95.7% is the change from 930 to 40
Calculation steps:
[( 40 - 930 ) ÷ 930] x 100 = -95.7%
Formula
Percentage change = [(40 - 930) / 930] x 100
Subtract the new number by the original number
40 - 930 = -890
-890 ÷ 930 = -0.956989247311828
-0.956989247311828 x 100 = -95.7%