950.63% is the change from 79 to 830
Calculation steps:
[( 830 - 79 ) ÷ 79] x 100 = 950.63%
Formula
Percentage change = [(830 - 79) / 79] x 100
Subtract the new number by the original number
830 - 79 = 751
751 ÷ 79 = 9.50632911392405
9.50632911392405 x 100 = 950.63%