8.36% is the change from 550 to 596
Calculation steps:
[( 596 - 550 ) ÷ 550] x 100 = 8.36%
Formula
Percentage change = [(596 - 550) / 550] x 100
Subtract the new number by the original number
596 - 550 = 46
46 ÷ 550 = 0.08363636363636363
0.08363636363636363 x 100 = 8.36%