40.36% is the change from 550 to 772
Calculation steps:
[( 772 - 550 ) ÷ 550] x 100 = 40.36%
Formula
Percentage change = [(772 - 550) / 550] x 100
Subtract the new number by the original number
772 - 550 = 222
222 ÷ 550 = 0.4036363636363636
0.4036363636363636 x 100 = 40.36%