-67.65% is the change from 946 to 306
Calculation steps:
[( 306 - 946 ) ÷ 946] x 100 = -67.65%
Formula
Percentage change = [(306 - 946) / 946] x 100
Subtract the new number by the original number
306 - 946 = -640
-640 ÷ 946 = -0.6765327695560254
-0.6765327695560254 x 100 = -67.65%