57.86% is the change from 420 to 663
Calculation steps:
[( 663 - 420 ) ÷ 420] x 100 = 57.86%
Formula
Percentage change = [(663 - 420) / 420] x 100
Subtract the new number by the original number
663 - 420 = 243
243 ÷ 420 = 0.5785714285714286
0.5785714285714286 x 100 = 57.86%