-55.7% is the change from 632 to 280
Calculation steps:
[( 280 - 632 ) ÷ 632] x 100 = -55.7%
Formula
Percentage change = [(280 - 632) / 632] x 100
Subtract the new number by the original number
280 - 632 = -352
-352 ÷ 632 = -0.5569620253164557
-0.5569620253164557 x 100 = -55.7%