3.87% is the change from 517 to 537
Calculation steps:
[( 537 - 517 ) ÷ 517] x 100 = 3.87%
Formula
Percentage change = [(537 - 517) / 517] x 100
Subtract the new number by the original number
537 - 517 = 20
20 ÷ 517 = 0.03868471953578337
0.03868471953578337 x 100 = 3.87%