-89.36% is the change from 940 to 100
Calculation steps:
[( 100 - 940 ) ÷ 940] x 100 = -89.36%
Formula
Percentage change = [(100 - 940) / 940] x 100
Subtract the new number by the original number
100 - 940 = -840
-840 ÷ 940 = -0.8936170212765957
-0.8936170212765957 x 100 = -89.36%