-39.39% is the change from 462 to 280
Calculation steps:
[( 280 - 462 ) ÷ 462] x 100 = -39.39%
Formula
Percentage change = [(280 - 462) / 462] x 100
Subtract the new number by the original number
280 - 462 = -182
-182 ÷ 462 = -0.3939393939393939
-0.3939393939393939 x 100 = -39.39%