-84.64% is the change from 306 to 47
Calculation steps:
[( 47 - 306 ) ÷ 306] x 100 = -84.64%
Formula
Percentage change = [(47 - 306) / 306] x 100
Subtract the new number by the original number
47 - 306 = -259
-259 ÷ 306 = -0.8464052287581699
-0.8464052287581699 x 100 = -84.64%