-79.06% is the change from 912 to 191
Calculation steps:
[( 191 - 912 ) ÷ 912] x 100 = -79.06%
Formula
Percentage change = [(191 - 912) / 912] x 100
Subtract the new number by the original number
191 - 912 = -721
-721 ÷ 912 = -0.7905701754385965
-0.7905701754385965 x 100 = -79.06%