694.05% is the change from 84 to 667
Calculation steps:
[( 667 - 84 ) ÷ 84] x 100 = 694.05%
Formula
Percentage change = [(667 - 84) / 84] x 100
Subtract the new number by the original number
667 - 84 = 583
583 ÷ 84 = 6.940476190476191
6.940476190476191 x 100 = 694.05%