-1.23% is the change from 653 to 645
Calculation steps:
[( 645 - 653 ) ÷ 653] x 100 = -1.23%
Formula
Percentage change = [(645 - 653) / 653] x 100
Subtract the new number by the original number
645 - 653 = -8
-8 ÷ 653 = -0.01225114854517611
-0.01225114854517611 x 100 = -1.23%