59.31% is the change from 403 to 642
Calculation steps:
[( 642 - 403 ) ÷ 403] x 100 = 59.31%
Formula
Percentage change = [(642 - 403) / 403] x 100
Subtract the new number by the original number
642 - 403 = 239
239 ÷ 403 = 0.5930521091811415
0.5930521091811415 x 100 = 59.31%