-98.36% is the change from 916 to 15
Calculation steps:
[( 15 - 916 ) ÷ 916] x 100 = -98.36%
Formula
Percentage change = [(15 - 916) / 916] x 100
Subtract the new number by the original number
15 - 916 = -901
-901 ÷ 916 = -0.9836244541484717
-0.9836244541484717 x 100 = -98.36%