-92.02% is the change from 977 to 78
Calculation steps:
[( 78 - 977 ) ÷ 977] x 100 = -92.02%
Formula
Percentage change = [(78 - 977) / 977] x 100
Subtract the new number by the original number
78 - 977 = -899
-899 ÷ 977 = -0.9201637666325486
-0.9201637666325486 x 100 = -92.02%