30.22% is the change from 599 to 780
Calculation steps:
[( 780 - 599 ) ÷ 599] x 100 = 30.22%
Formula
Percentage change = [(780 - 599) / 599] x 100
Subtract the new number by the original number
780 - 599 = 181
181 ÷ 599 = 0.3021702838063439
0.3021702838063439 x 100 = 30.22%