-4.21% is the change from 428 to 410
Calculation steps:
[( 410 - 428 ) ÷ 428] x 100 = -4.21%
Formula
Percentage change = [(410 - 428) / 428] x 100
Subtract the new number by the original number
410 - 428 = -18
-18 ÷ 428 = -0.04205607476635514
-0.04205607476635514 x 100 = -4.21%