-70.43% is the change from 947 to 280
Calculation steps:
[( 280 - 947 ) ÷ 947] x 100 = -70.43%
Formula
Percentage change = [(280 - 947) / 947] x 100
Subtract the new number by the original number
280 - 947 = -667
-667 ÷ 947 = -0.7043294614572334
-0.7043294614572334 x 100 = -70.43%