36.23% is the change from 599 to 816
Calculation steps:
[( 816 - 599 ) ÷ 599] x 100 = 36.23%
Formula
Percentage change = [(816 - 599) / 599] x 100
Subtract the new number by the original number
816 - 599 = 217
217 ÷ 599 = 0.3622704507512521
0.3622704507512521 x 100 = 36.23%