-40% is the change from 470 to 282
Calculation steps:
[( 282 - 470 ) ÷ 470] x 100 = -40%
Formula
Percentage change = [(282 - 470) / 470] x 100
Subtract the new number by the original number
282 - 470 = -188
-188 ÷ 470 = -0.4
-0.4 x 100 = -40%
Example