-92.03% is the change from 979 to 78
Calculation steps:
[( 78 - 979 ) ÷ 979] x 100 = -92.03%
Formula
Percentage change = [(78 - 979) / 979] x 100
Subtract the new number by the original number
78 - 979 = -901
-901 ÷ 979 = -0.9203268641470889
-0.9203268641470889 x 100 = -92.03%