-16.59% is the change from 651 to 543
Calculation steps:
[( 543 - 651 ) ÷ 651] x 100 = -16.59%
Formula
Percentage change = [(543 - 651) / 651] x 100
Subtract the new number by the original number
543 - 651 = -108
-108 ÷ 651 = -0.16589861751152074
-0.16589861751152074 x 100 = -16.59%