-38.69% is the change from 977 to 599
Calculation steps:
[( 599 - 977 ) ÷ 977] x 100 = -38.69%
Formula
Percentage change = [(599 - 977) / 977] x 100
Subtract the new number by the original number
599 - 977 = -378
-378 ÷ 977 = -0.38689866939611056
-0.38689866939611056 x 100 = -38.69%