36% is the change from 550 to 748
Calculation steps:
[( 748 - 550 ) ÷ 550] x 100 = 36%
Formula
Percentage change = [(748 - 550) / 550] x 100
Subtract the new number by the original number
748 - 550 = 198
198 ÷ 550 = 0.36
0.36 x 100 = 36%
Example