-90% is the change from 940 to 94
Calculation steps:
[( 94 - 940 ) ÷ 940] x 100 = -90%
Formula
Percentage change = [(94 - 940) / 940] x 100
Subtract the new number by the original number
94 - 940 = -846
-846 ÷ 940 = -0.9
-0.9 x 100 = -90%
Example