-28.41% is the change from 947 to 678
Calculation steps:
[( 678 - 947 ) ÷ 947] x 100 = -28.41%
Formula
Percentage change = [(678 - 947) / 947] x 100
Subtract the new number by the original number
678 - 947 = -269
-269 ÷ 947 = -0.2840549102428722
-0.2840549102428722 x 100 = -28.41%