-46.19% is the change from 591 to 318
Calculation steps:
[( 318 - 591 ) ÷ 591] x 100 = -46.19%
Formula
Percentage change = [(318 - 591) / 591] x 100
Subtract the new number by the original number
318 - 591 = -273
-273 ÷ 591 = -0.4619289340101523
-0.4619289340101523 x 100 = -46.19%