-55.54% is the change from 947 to 421
Calculation steps:
[( 421 - 947 ) ÷ 947] x 100 = -55.54%
Formula
Percentage change = [(421 - 947) / 947] x 100
Subtract the new number by the original number
421 - 947 = -526
-526 ÷ 947 = -0.5554382259767687
-0.5554382259767687 x 100 = -55.54%