838.1% is the change from 84 to 788
Calculation steps:
[( 788 - 84 ) ÷ 84] x 100 = 838.1%
Formula
Percentage change = [(788 - 84) / 84] x 100
Subtract the new number by the original number
788 - 84 = 704
704 ÷ 84 = 8.380952380952381
8.380952380952381 x 100 = 838.1%