-54.6% is the change from 326 to 148
Calculation steps:
[( 148 - 326 ) ÷ 326] x 100 = -54.6%
Formula
Percentage change = [(148 - 326) / 326] x 100
Subtract the new number by the original number
148 - 326 = -178
-178 ÷ 326 = -0.5460122699386503
-0.5460122699386503 x 100 = -54.6%