-98.41% is the change from 942 to 15
Calculation steps:
[( 15 - 942 ) ÷ 942] x 100 = -98.41%
Formula
Percentage change = [(15 - 942) / 942] x 100
Subtract the new number by the original number
15 - 942 = -927
-927 ÷ 942 = -0.9840764331210191
-0.9840764331210191 x 100 = -98.41%