-19.15% is the change from 632 to 511
Calculation steps:
[( 511 - 632 ) ÷ 632] x 100 = -19.15%
Formula
Percentage change = [(511 - 632) / 632] x 100
Subtract the new number by the original number
511 - 632 = -121
-121 ÷ 632 = -0.19145569620253164
-0.19145569620253164 x 100 = -19.15%