-14.89% is the change from 47 to 40
Calculation steps:
[( 40 - 47 ) ÷ 47] x 100 = -14.89%
Formula
Percentage change = [(40 - 47) / 47] x 100
Subtract the new number by the original number
40 - 47 = -7
-7 ÷ 47 = -0.14893617021276595
-0.14893617021276595 x 100 = -14.89%