-63.83% is the change from 846 to 306
Calculation steps:
[( 306 - 846 ) ÷ 846] x 100 = -63.83%
Formula
Percentage change = [(306 - 846) / 846] x 100
Subtract the new number by the original number
306 - 846 = -540
-540 ÷ 846 = -0.6382978723404256
-0.6382978723404256 x 100 = -63.83%