-49.13% is the change from 287 to 146
Calculation steps:
[( 146 - 287 ) ÷ 287] x 100 = -49.13%
Formula
Percentage change = [(146 - 287) / 287] x 100
Subtract the new number by the original number
146 - 287 = -141
-141 ÷ 287 = -0.4912891986062718
-0.4912891986062718 x 100 = -49.13%