-79.12% is the change from 977 to 204
Calculation steps:
[( 204 - 977 ) ÷ 977] x 100 = -79.12%
Formula
Percentage change = [(204 - 977) / 977] x 100
Subtract the new number by the original number
204 - 977 = -773
-773 ÷ 977 = -0.7911975435005117
-0.7911975435005117 x 100 = -79.12%