-76.66% is the change from 947 to 221
Calculation steps:
[( 221 - 947 ) ÷ 947] x 100 = -76.66%
Formula
Percentage change = [(221 - 947) / 947] x 100
Subtract the new number by the original number
221 - 947 = -726
-726 ÷ 947 = -0.7666314677930306
-0.7666314677930306 x 100 = -76.66%