-83.79% is the change from 290 to 47
Calculation steps:
[( 47 - 290 ) ÷ 290] x 100 = -83.79%
Formula
Percentage change = [(47 - 290) / 290] x 100
Subtract the new number by the original number
47 - 290 = -243
-243 ÷ 290 = -0.8379310344827586
-0.8379310344827586 x 100 = -83.79%