-48.76% is the change from 283 to 145
Calculation steps:
[( 145 - 283 ) ÷ 283] x 100 = -48.76%
Formula
Percentage change = [(145 - 283) / 283] x 100
Subtract the new number by the original number
145 - 283 = -138
-138 ÷ 283 = -0.4876325088339223
-0.4876325088339223 x 100 = -48.76%