-2.87% is the change from 698 to 678
Calculation steps:
[( 678 - 698 ) ÷ 698] x 100 = -2.87%
Formula
Percentage change = [(678 - 698) / 698] x 100
Subtract the new number by the original number
678 - 698 = -20
-20 ÷ 698 = -0.02865329512893983
-0.02865329512893983 x 100 = -2.87%