71.68% is the change from 286 to 491
Calculation steps:
[( 491 - 286 ) ÷ 286] x 100 = 71.68%
Formula
Percentage change = [(491 - 286) / 286] x 100
Subtract the new number by the original number
491 - 286 = 205
205 ÷ 286 = 0.7167832167832168
0.7167832167832168 x 100 = 71.68%