63.3% is the change from 406 to 663
Calculation steps:
[( 663 - 406 ) ÷ 406] x 100 = 63.3%
Formula
Percentage change = [(663 - 406) / 406] x 100
Subtract the new number by the original number
663 - 406 = 257
257 ÷ 406 = 0.6330049261083743
0.6330049261083743 x 100 = 63.3%