2.67% is the change from 599 to 615
Calculation steps:
[( 615 - 599 ) ÷ 599] x 100 = 2.67%
Formula
Percentage change = [(615 - 599) / 599] x 100
Subtract the new number by the original number
615 - 599 = 16
16 ÷ 599 = 0.02671118530884808
0.02671118530884808 x 100 = 2.67%