-77.93% is the change from 947 to 209
Calculation steps:
[( 209 - 947 ) ÷ 947] x 100 = -77.93%
Formula
Percentage change = [(209 - 947) / 947] x 100
Subtract the new number by the original number
209 - 947 = -738
-738 ÷ 947 = -0.7793030623020063
-0.7793030623020063 x 100 = -77.93%