-44.83% is the change from 977 to 539
Calculation steps:
[( 539 - 977 ) ÷ 977] x 100 = -44.83%
Formula
Percentage change = [(539 - 977) / 977] x 100
Subtract the new number by the original number
539 - 977 = -438
-438 ÷ 977 = -0.4483111566018424
-0.4483111566018424 x 100 = -44.83%