-47.49% is the change from 977 to 513
Calculation steps:
[( 513 - 977 ) ÷ 977] x 100 = -47.49%
Formula
Percentage change = [(513 - 977) / 977] x 100
Subtract the new number by the original number
513 - 977 = -464
-464 ÷ 977 = -0.4749232343909928
-0.4749232343909928 x 100 = -47.49%