-58.44% is the change from 977 to 406
Calculation steps:
[( 406 - 977 ) ÷ 977] x 100 = -58.44%
Formula
Percentage change = [(406 - 977) / 977] x 100
Subtract the new number by the original number
406 - 977 = -571
-571 ÷ 977 = -0.5844421699078812
-0.5844421699078812 x 100 = -58.44%