-98.9% is the change from 912 to 10
Calculation steps:
[( 10 - 912 ) ÷ 912] x 100 = -98.9%
Formula
Percentage change = [(10 - 912) / 912] x 100
Subtract the new number by the original number
10 - 912 = -902
-902 ÷ 912 = -0.9890350877192983
-0.9890350877192983 x 100 = -98.9%