40.2% is the change from 204 to 286
Calculation steps:
[( 286 - 204 ) ÷ 204] x 100 = 40.2%
Formula
Percentage change = [(286 - 204) / 204] x 100
Subtract the new number by the original number
286 - 204 = 82
82 ÷ 204 = 0.4019607843137255
0.4019607843137255 x 100 = 40.2%