703.92% is the change from 102 to 820
Calculation steps:
[( 820 - 102 ) ÷ 102] x 100 = 703.92%
Formula
Percentage change = [(820 - 102) / 102] x 100
Subtract the new number by the original number
820 - 102 = 718
718 ÷ 102 = 7.03921568627451
7.03921568627451 x 100 = 703.92%