-2.48% is the change from 606 to 591
Calculation steps:
[( 591 - 606 ) ÷ 606] x 100 = -2.48%
Formula
Percentage change = [(591 - 606) / 606] x 100
Subtract the new number by the original number
591 - 606 = -15
-15 ÷ 606 = -0.024752475247524754
-0.024752475247524754 x 100 = -2.48%