-97.04% is the change from 947 to 28
Calculation steps:
[( 28 - 947 ) ÷ 947] x 100 = -97.04%
Formula
Percentage change = [(28 - 947) / 947] x 100
Subtract the new number by the original number
28 - 947 = -919
-919 ÷ 947 = -0.9704329461457233
-0.9704329461457233 x 100 = -97.04%