-85.11% is the change from 47 to 7
Calculation steps:
[( 7 - 47 ) ÷ 47] x 100 = -85.11%
Formula
Percentage change = [(7 - 47) / 47] x 100
Subtract the new number by the original number
7 - 47 = -40
-40 ÷ 47 = -0.851063829787234
-0.851063829787234 x 100 = -85.11%