-39.2% is the change from 977 to 594
Calculation steps:
[( 594 - 977 ) ÷ 977] x 100 = -39.2%
Formula
Percentage change = [(594 - 977) / 977] x 100
Subtract the new number by the original number
594 - 977 = -383
-383 ÷ 977 = -0.39201637666325484
-0.39201637666325484 x 100 = -39.2%