-13.18% is the change from 584 to 507
Calculation steps:
[( 507 - 584 ) ÷ 584] x 100 = -13.18%
Formula
Percentage change = [(507 - 584) / 584] x 100
Subtract the new number by the original number
507 - 584 = -77
-77 ÷ 584 = -0.13184931506849315
-0.13184931506849315 x 100 = -13.18%