-7.97% is the change from 690 to 635
Calculation steps:
[( 635 - 690 ) ÷ 690] x 100 = -7.97%
Formula
Percentage change = [(635 - 690) / 690] x 100
Subtract the new number by the original number
635 - 690 = -55
-55 ÷ 690 = -0.07971014492753623
-0.07971014492753623 x 100 = -7.97%