-66.01% is the change from 306 to 104
Calculation steps:
[( 104 - 306 ) ÷ 306] x 100 = -66.01%
Formula
Percentage change = [(104 - 306) / 306] x 100
Subtract the new number by the original number
104 - 306 = -202
-202 ÷ 306 = -0.6601307189542484
-0.6601307189542484 x 100 = -66.01%