-97.54% is the change from 977 to 24
Calculation steps:
[( 24 - 977 ) ÷ 977] x 100 = -97.54%
Formula
Percentage change = [(24 - 977) / 977] x 100
Subtract the new number by the original number
24 - 977 = -953
-953 ÷ 977 = -0.9754350051177073
-0.9754350051177073 x 100 = -97.54%