92.31% is the change from 286 to 550
Calculation steps:
[( 550 - 286 ) ÷ 286] x 100 = 92.31%
Formula
Percentage change = [(550 - 286) / 286] x 100
Subtract the new number by the original number
550 - 286 = 264
264 ÷ 286 = 0.9230769230769231
0.9230769230769231 x 100 = 92.31%