-97.92% is the change from 912 to 19
Calculation steps:
[( 19 - 912 ) ÷ 912] x 100 = -97.92%
Formula
Percentage change = [(19 - 912) / 912] x 100
Subtract the new number by the original number
19 - 912 = -893
-893 ÷ 912 = -0.9791666666666666
-0.9791666666666666 x 100 = -97.92%