-3.32% is the change from 632 to 611
Calculation steps:
[( 611 - 632 ) ÷ 632] x 100 = -3.32%
Formula
Percentage change = [(611 - 632) / 632] x 100
Subtract the new number by the original number
611 - 632 = -21
-21 ÷ 632 = -0.03322784810126582
-0.03322784810126582 x 100 = -3.32%