-88.84% is the change from 421 to 47
Calculation steps:
[( 47 - 421 ) ÷ 421] x 100 = -88.84%
Formula
Percentage change = [(47 - 421) / 421] x 100
Subtract the new number by the original number
47 - 421 = -374
-374 ÷ 421 = -0.8883610451306413
-0.8883610451306413 x 100 = -88.84%