-21.3% is the change from 690 to 543
Calculation steps:
[( 543 - 690 ) ÷ 690] x 100 = -21.3%
Formula
Percentage change = [(543 - 690) / 690] x 100
Subtract the new number by the original number
543 - 690 = -147
-147 ÷ 690 = -0.21304347826086956
-0.21304347826086956 x 100 = -21.3%