52.78% is the change from 360 to 550
Calculation steps:
[( 550 - 360 ) ÷ 360] x 100 = 52.78%
Formula
Percentage change = [(550 - 360) / 360] x 100
Subtract the new number by the original number
550 - 360 = 190
190 ÷ 360 = 0.5277777777777778
0.5277777777777778 x 100 = 52.78%