-70.54% is the change from 947 to 279
Calculation steps:
[( 279 - 947 ) ÷ 947] x 100 = -70.54%
Formula
Percentage change = [(279 - 947) / 947] x 100
Subtract the new number by the original number
279 - 947 = -668
-668 ÷ 947 = -0.7053854276663146
-0.7053854276663146 x 100 = -70.54%