-16.9% is the change from 651 to 541
Calculation steps:
[( 541 - 651 ) ÷ 651] x 100 = -16.9%
Formula
Percentage change = [(541 - 651) / 651] x 100
Subtract the new number by the original number
541 - 651 = -110
-110 ÷ 651 = -0.16897081413210446
-0.16897081413210446 x 100 = -16.9%