-7.99% is the change from 701 to 645
Calculation steps:
[( 645 - 701 ) ÷ 701] x 100 = -7.99%
Formula
Percentage change = [(645 - 701) / 701] x 100
Subtract the new number by the original number
645 - 701 = -56
-56 ÷ 701 = -0.07988587731811697
-0.07988587731811697 x 100 = -7.99%