-19.59% is the change from 679 to 546
Calculation steps:
[( 546 - 679 ) ÷ 679] x 100 = -19.59%
Formula
Percentage change = [(546 - 679) / 679] x 100
Subtract the new number by the original number
546 - 679 = -133
-133 ÷ 679 = -0.1958762886597938
-0.1958762886597938 x 100 = -19.59%