-39.61% is the change from 977 to 590
Calculation steps:
[( 590 - 977 ) ÷ 977] x 100 = -39.61%
Formula
Percentage change = [(590 - 977) / 977] x 100
Subtract the new number by the original number
590 - 977 = -387
-387 ÷ 977 = -0.3961105424769703
-0.3961105424769703 x 100 = -39.61%