-57.97% is the change from 947 to 398
Calculation steps:
[( 398 - 947 ) ÷ 947] x 100 = -57.97%
Formula
Percentage change = [(398 - 947) / 947] x 100
Subtract the new number by the original number
398 - 947 = -549
-549 ÷ 947 = -0.5797254487856388
-0.5797254487856388 x 100 = -57.97%