-2.45% is the change from 611 to 596
Calculation steps:
[( 596 - 611 ) ÷ 611] x 100 = -2.45%
Formula
Percentage change = [(596 - 611) / 611] x 100
Subtract the new number by the original number
596 - 611 = -15
-15 ÷ 611 = -0.024549918166939442
-0.024549918166939442 x 100 = -2.45%