-89.36% is the change from 912 to 97
Calculation steps:
[( 97 - 912 ) ÷ 912] x 100 = -89.36%
Formula
Percentage change = [(97 - 912) / 912] x 100
Subtract the new number by the original number
97 - 912 = -815
-815 ÷ 912 = -0.893640350877193
-0.893640350877193 x 100 = -89.36%