-51.38% is the change from 977 to 475
Calculation steps:
[( 475 - 977 ) ÷ 977] x 100 = -51.38%
Formula
Percentage change = [(475 - 977) / 977] x 100
Subtract the new number by the original number
475 - 977 = -502
-502 ÷ 977 = -0.5138178096212896
-0.5138178096212896 x 100 = -51.38%