-89.04% is the change from 912 to 100
Calculation steps:
[( 100 - 912 ) ÷ 912] x 100 = -89.04%
Formula
Percentage change = [(100 - 912) / 912] x 100
Subtract the new number by the original number
100 - 912 = -812
-812 ÷ 912 = -0.8903508771929824
-0.8903508771929824 x 100 = -89.04%