-11.06% is the change from 615 to 547
Calculation steps:
[( 547 - 615 ) ÷ 615] x 100 = -11.06%
Formula
Percentage change = [(547 - 615) / 615] x 100
Subtract the new number by the original number
547 - 615 = -68
-68 ÷ 615 = -0.11056910569105691
-0.11056910569105691 x 100 = -11.06%