-44.42% is the change from 977 to 543
Calculation steps:
[( 543 - 977 ) ÷ 977] x 100 = -44.42%
Formula
Percentage change = [(543 - 977) / 977] x 100
Subtract the new number by the original number
543 - 977 = -434
-434 ÷ 977 = -0.44421699078812693
-0.44421699078812693 x 100 = -44.42%