29.51% is the change from 515 to 667
Calculation steps:
[( 667 - 515 ) ÷ 515] x 100 = 29.51%
Formula
Percentage change = [(667 - 515) / 515] x 100
Subtract the new number by the original number
667 - 515 = 152
152 ÷ 515 = 0.29514563106796116
0.29514563106796116 x 100 = 29.51%