-66.7% is the change from 919 to 306
Calculation steps:
[( 306 - 919 ) ÷ 919] x 100 = -66.7%
Formula
Percentage change = [(306 - 919) / 919] x 100
Subtract the new number by the original number
306 - 919 = -613
-613 ÷ 919 = -0.6670293797606094
-0.6670293797606094 x 100 = -66.7%