-30% is the change from 410 to 287
Calculation steps:
[( 287 - 410 ) ÷ 410] x 100 = -30%
Formula
Percentage change = [(287 - 410) / 410] x 100
Subtract the new number by the original number
287 - 410 = -123
-123 ÷ 410 = -0.3
-0.3 x 100 = -30%
Example