-99.18% is the change from 977 to 8
Calculation steps:
[( 8 - 977 ) ÷ 977] x 100 = -99.18%
Formula
Percentage change = [(8 - 977) / 977] x 100
Subtract the new number by the original number
8 - 977 = -969
-969 ÷ 977 = -0.9918116683725691
-0.9918116683725691 x 100 = -99.18%