-92.73% is the change from 990 to 72
Calculation steps:
[( 72 - 990 ) ÷ 990] x 100 = -92.73%
Formula
Percentage change = [(72 - 990) / 990] x 100
Subtract the new number by the original number
72 - 990 = -918
-918 ÷ 990 = -0.9272727272727272
-0.9272727272727272 x 100 = -92.73%