3.3% is the change from 515 to 532
Calculation steps:
[( 532 - 515 ) ÷ 515] x 100 = 3.3%
Formula
Percentage change = [(532 - 515) / 515] x 100
Subtract the new number by the original number
532 - 515 = 17
17 ÷ 515 = 0.03300970873786408
0.03300970873786408 x 100 = 3.3%