-0.49% is the change from 611 to 608
Calculation steps:
[( 608 - 611 ) ÷ 611] x 100 = -0.49%
Formula
Percentage change = [(608 - 611) / 611] x 100
Subtract the new number by the original number
608 - 611 = -3
-3 ÷ 611 = -0.004909983633387889
-0.004909983633387889 x 100 = -0.49%