-98.4% is the change from 937 to 15
Calculation steps:
[( 15 - 937 ) ÷ 937] x 100 = -98.4%
Formula
Percentage change = [(15 - 937) / 937] x 100
Subtract the new number by the original number
15 - 937 = -922
-922 ÷ 937 = -0.983991462113127
-0.983991462113127 x 100 = -98.4%