82.93% is the change from 246 to 450
Calculation steps:
[( 450 - 246 ) ÷ 246] x 100 = 82.93%
Formula
Percentage change = [(450 - 246) / 246] x 100
Subtract the new number by the original number
450 - 246 = 204
204 ÷ 246 = 0.8292682926829268
0.8292682926829268 x 100 = 82.93%