-96.81% is the change from 940 to 30
Calculation steps:
[( 30 - 940 ) ÷ 940] x 100 = -96.81%
Formula
Percentage change = [(30 - 940) / 940] x 100
Subtract the new number by the original number
30 - 940 = -910
-910 ÷ 940 = -0.9680851063829787
-0.9680851063829787 x 100 = -96.81%