-45.23% is the change from 283 to 155
Calculation steps:
[( 155 - 283 ) ÷ 283] x 100 = -45.23%
Formula
Percentage change = [(155 - 283) / 283] x 100
Subtract the new number by the original number
155 - 283 = -128
-128 ÷ 283 = -0.45229681978798586
-0.45229681978798586 x 100 = -45.23%