-1.74% is the change from 632 to 621
Calculation steps:
[( 621 - 632 ) ÷ 632] x 100 = -1.74%
Formula
Percentage change = [(621 - 632) / 632] x 100
Subtract the new number by the original number
621 - 632 = -11
-11 ÷ 632 = -0.01740506329113924
-0.01740506329113924 x 100 = -1.74%