-99.49% is the change from 977 to 5
Calculation steps:
[( 5 - 977 ) ÷ 977] x 100 = -99.49%
Formula
Percentage change = [(5 - 977) / 977] x 100
Subtract the new number by the original number
5 - 977 = -972
-972 ÷ 977 = -0.9948822927328557
-0.9948822927328557 x 100 = -99.49%