11614.29% is the change from 7 to 820
Calculation steps:
[( 820 - 7 ) ÷ 7] x 100 = 11614.29%
Formula
Percentage change = [(820 - 7) / 7] x 100
Subtract the new number by the original number
820 - 7 = 813
813 ÷ 7 = 116.14285714285714
116.14285714285714 x 100 = 11614.29%