-5.12% is the change from 977 to 927
Calculation steps:
[( 927 - 977 ) ÷ 977] x 100 = -5.12%
Formula
Percentage change = [(927 - 977) / 977] x 100
Subtract the new number by the original number
927 - 977 = -50
-50 ÷ 977 = -0.0511770726714432
-0.0511770726714432 x 100 = -5.12%