-34.85% is the change from 947 to 617
Calculation steps:
[( 617 - 947 ) ÷ 947] x 100 = -34.85%
Formula
Percentage change = [(617 - 947) / 947] x 100
Subtract the new number by the original number
617 - 947 = -330
-330 ÷ 947 = -0.3484688489968321
-0.3484688489968321 x 100 = -34.85%