-2.17% is the change from 690 to 675
Calculation steps:
[( 675 - 690 ) ÷ 690] x 100 = -2.17%
Formula
Percentage change = [(675 - 690) / 690] x 100
Subtract the new number by the original number
675 - 690 = -15
-15 ÷ 690 = -0.021739130434782608
-0.021739130434782608 x 100 = -2.17%