-21.25% is the change from 687 to 541
Calculation steps:
[( 541 - 687 ) ÷ 687] x 100 = -21.25%
Formula
Percentage change = [(541 - 687) / 687] x 100
Subtract the new number by the original number
541 - 687 = -146
-146 ÷ 687 = -0.21251819505094613
-0.21251819505094613 x 100 = -21.25%