-89.32% is the change from 936 to 100
Calculation steps:
[( 100 - 936 ) ÷ 936] x 100 = -89.32%
Formula
Percentage change = [(100 - 936) / 936] x 100
Subtract the new number by the original number
100 - 936 = -836
-836 ÷ 936 = -0.8931623931623932
-0.8931623931623932 x 100 = -89.32%