25.63% is the change from 515 to 647
Calculation steps:
[( 647 - 515 ) ÷ 515] x 100 = 25.63%
Formula
Percentage change = [(647 - 515) / 515] x 100
Subtract the new number by the original number
647 - 515 = 132
132 ÷ 515 = 0.2563106796116505
0.2563106796116505 x 100 = 25.63%