-43.4% is the change from 977 to 553
Calculation steps:
[( 553 - 977 ) ÷ 977] x 100 = -43.4%
Formula
Percentage change = [(553 - 977) / 977] x 100
Subtract the new number by the original number
553 - 977 = -424
-424 ÷ 977 = -0.43398157625383826
-0.43398157625383826 x 100 = -43.4%