21.1% is the change from 507 to 614
Calculation steps:
[( 614 - 507 ) ÷ 507] x 100 = 21.1%
Formula
Percentage change = [(614 - 507) / 507] x 100
Subtract the new number by the original number
614 - 507 = 107
107 ÷ 507 = 0.21104536489151873
0.21104536489151873 x 100 = 21.1%