-12.7% is the change from 677 to 591
Calculation steps:
[( 591 - 677 ) ÷ 677] x 100 = -12.7%
Formula
Percentage change = [(591 - 677) / 677] x 100
Subtract the new number by the original number
591 - 677 = -86
-86 ÷ 677 = -0.12703101920236337
-0.12703101920236337 x 100 = -12.7%