12.33% is the change from 730 to 820
Calculation steps:
[( 820 - 730 ) ÷ 730] x 100 = 12.33%
Formula
Percentage change = [(820 - 730) / 730] x 100
Subtract the new number by the original number
820 - 730 = 90
90 ÷ 730 = 0.1232876712328767
0.1232876712328767 x 100 = 12.33%