-2.8% is the change from 608 to 591
Calculation steps:
[( 591 - 608 ) ÷ 608] x 100 = -2.8%
Formula
Percentage change = [(591 - 608) / 608] x 100
Subtract the new number by the original number
591 - 608 = -17
-17 ÷ 608 = -0.027960526315789474
-0.027960526315789474 x 100 = -2.8%