-67.2% is the change from 933 to 306
Calculation steps:
[( 306 - 933 ) ÷ 933] x 100 = -67.2%
Formula
Percentage change = [(306 - 933) / 933] x 100
Subtract the new number by the original number
306 - 933 = -627
-627 ÷ 933 = -0.6720257234726688
-0.6720257234726688 x 100 = -67.2%