19.6% is the change from 449 to 537
Calculation steps:
[( 537 - 449 ) ÷ 449] x 100 = 19.6%
Formula
Percentage change = [(537 - 449) / 449] x 100
Subtract the new number by the original number
537 - 449 = 88
88 ÷ 449 = 0.19599109131403117
0.19599109131403117 x 100 = 19.6%