-1.35% is the change from 591 to 583
Calculation steps:
[( 583 - 591 ) ÷ 591] x 100 = -1.35%
Formula
Percentage change = [(583 - 591) / 591] x 100
Subtract the new number by the original number
583 - 591 = -8
-8 ÷ 591 = -0.01353637901861252
-0.01353637901861252 x 100 = -1.35%