-36.49% is the change from 485 to 308
Calculation steps:
[( 308 - 485 ) ÷ 485] x 100 = -36.49%
Formula
Percentage change = [(308 - 485) / 485] x 100
Subtract the new number by the original number
308 - 485 = -177
-177 ÷ 485 = -0.3649484536082474
-0.3649484536082474 x 100 = -36.49%