2.42% is the change from 537 to 550
Calculation steps:
[( 550 - 537 ) ÷ 537] x 100 = 2.42%
Formula
Percentage change = [(550 - 537) / 537] x 100
Subtract the new number by the original number
550 - 537 = 13
13 ÷ 537 = 0.024208566108007448
0.024208566108007448 x 100 = 2.42%