-57.45% is the change from 47 to 20
Calculation steps:
[( 20 - 47 ) ÷ 47] x 100 = -57.45%
Formula
Percentage change = [(20 - 47) / 47] x 100
Subtract the new number by the original number
20 - 47 = -27
-27 ÷ 47 = -0.574468085106383
-0.574468085106383 x 100 = -57.45%