40.97% is the change from 642 to 905
Calculation steps:
[( 905 - 642 ) ÷ 642] x 100 = 40.97%
Formula
Percentage change = [(905 - 642) / 642] x 100
Subtract the new number by the original number
905 - 642 = 263
263 ÷ 642 = 0.40965732087227413
0.40965732087227413 x 100 = 40.97%