-7.68% is the change from 690 to 637
Calculation steps:
[( 637 - 690 ) ÷ 690] x 100 = -7.68%
Formula
Percentage change = [(637 - 690) / 690] x 100
Subtract the new number by the original number
637 - 690 = -53
-53 ÷ 690 = -0.07681159420289856
-0.07681159420289856 x 100 = -7.68%