-93.87% is the change from 326 to 20
Calculation steps:
[( 20 - 326 ) ÷ 326] x 100 = -93.87%
Formula
Percentage change = [(20 - 326) / 326] x 100
Subtract the new number by the original number
20 - 326 = -306
-306 ÷ 326 = -0.9386503067484663
-0.9386503067484663 x 100 = -93.87%