-50% is the change from 282 to 141
Calculation steps:
[( 141 - 282 ) ÷ 282] x 100 = -50%
Formula
Percentage change = [(141 - 282) / 282] x 100
Subtract the new number by the original number
141 - 282 = -141
-141 ÷ 282 = -0.5
-0.5 x 100 = -50%
Example