73.78% is the change from 286 to 497
Calculation steps:
[( 497 - 286 ) ÷ 286] x 100 = 73.78%
Formula
Percentage change = [(497 - 286) / 286] x 100
Subtract the new number by the original number
497 - 286 = 211
211 ÷ 286 = 0.7377622377622378
0.7377622377622378 x 100 = 73.78%