-84.74% is the change from 308 to 47
Calculation steps:
[( 47 - 308 ) ÷ 308] x 100 = -84.74%
Formula
Percentage change = [(47 - 308) / 308] x 100
Subtract the new number by the original number
47 - 308 = -261
-261 ÷ 308 = -0.8474025974025974
-0.8474025974025974 x 100 = -84.74%