-52.29% is the change from 306 to 146
Calculation steps:
[( 146 - 306 ) ÷ 306] x 100 = -52.29%
Formula
Percentage change = [(146 - 306) / 306] x 100
Subtract the new number by the original number
146 - 306 = -160
-160 ÷ 306 = -0.5228758169934641
-0.5228758169934641 x 100 = -52.29%