813.1% is the change from 84 to 767
Calculation steps:
[( 767 - 84 ) ÷ 84] x 100 = 813.1%
Formula
Percentage change = [(767 - 84) / 84] x 100
Subtract the new number by the original number
767 - 84 = 683
683 ÷ 84 = 8.130952380952381
8.130952380952381 x 100 = 813.1%