-48.39% is the change from 591 to 305
Calculation steps:
[( 305 - 591 ) ÷ 591] x 100 = -48.39%
Formula
Percentage change = [(305 - 591) / 591] x 100
Subtract the new number by the original number
305 - 591 = -286
-286 ÷ 591 = -0.48392554991539766
-0.48392554991539766 x 100 = -48.39%