-89.3% is the change from 935 to 100
Calculation steps:
[( 100 - 935 ) ÷ 935] x 100 = -89.3%
Formula
Percentage change = [(100 - 935) / 935] x 100
Subtract the new number by the original number
100 - 935 = -835
-835 ÷ 935 = -0.893048128342246
-0.893048128342246 x 100 = -89.3%