64.52% is the change from 403 to 663
Calculation steps:
[( 663 - 403 ) ÷ 403] x 100 = 64.52%
Formula
Percentage change = [(663 - 403) / 403] x 100
Subtract the new number by the original number
663 - 403 = 260
260 ÷ 403 = 0.6451612903225806
0.6451612903225806 x 100 = 64.52%