-65.69% is the change from 306 to 105
Calculation steps:
[( 105 - 306 ) ÷ 306] x 100 = -65.69%
Formula
Percentage change = [(105 - 306) / 306] x 100
Subtract the new number by the original number
105 - 306 = -201
-201 ÷ 306 = -0.6568627450980392
-0.6568627450980392 x 100 = -65.69%