-0.16% is the change from 615 to 614
Calculation steps:
[( 614 - 615 ) ÷ 615] x 100 = -0.16%
Formula
Percentage change = [(614 - 615) / 615] x 100
Subtract the new number by the original number
614 - 615 = -1
-1 ÷ 615 = -0.0016260162601626016
-0.0016260162601626016 x 100 = -0.16%