-43.51% is the change from 485 to 274
Calculation steps:
[( 274 - 485 ) ÷ 485] x 100 = -43.51%
Formula
Percentage change = [(274 - 485) / 485] x 100
Subtract the new number by the original number
274 - 485 = -211
-211 ÷ 485 = -0.4350515463917526
-0.4350515463917526 x 100 = -43.51%