-7.06% is the change from 694 to 645
Calculation steps:
[( 645 - 694 ) ÷ 694] x 100 = -7.06%
Formula
Percentage change = [(645 - 694) / 694] x 100
Subtract the new number by the original number
645 - 694 = -49
-49 ÷ 694 = -0.07060518731988473
-0.07060518731988473 x 100 = -7.06%