-23.04% is the change from 690 to 531
Calculation steps:
[( 531 - 690 ) ÷ 690] x 100 = -23.04%
Formula
Percentage change = [(531 - 690) / 690] x 100
Subtract the new number by the original number
531 - 690 = -159
-159 ÷ 690 = -0.23043478260869565
-0.23043478260869565 x 100 = -23.04%