54.36% is the change from 550 to 849
Calculation steps:
[( 849 - 550 ) ÷ 550] x 100 = 54.36%
Formula
Percentage change = [(849 - 550) / 550] x 100
Subtract the new number by the original number
849 - 550 = 299
299 ÷ 550 = 0.5436363636363636
0.5436363636363636 x 100 = 54.36%