-27.75% is the change from 818 to 591
Calculation steps:
[( 591 - 818 ) ÷ 818] x 100 = -27.75%
Formula
Percentage change = [(591 - 818) / 818] x 100
Subtract the new number by the original number
591 - 818 = -227
-227 ÷ 818 = -0.2775061124694376
-0.2775061124694376 x 100 = -27.75%