36.49% is the change from 285 to 389
Calculation steps:
[( 389 - 285 ) ÷ 285] x 100 = 36.49%
Formula
Percentage change = [(389 - 285) / 285] x 100
Subtract the new number by the original number
389 - 285 = 104
104 ÷ 285 = 0.3649122807017544
0.3649122807017544 x 100 = 36.49%