40.03% is the change from 642 to 899
Calculation steps:
[( 899 - 642 ) ÷ 642] x 100 = 40.03%
Formula
Percentage change = [(899 - 642) / 642] x 100
Subtract the new number by the original number
899 - 642 = 257
257 ÷ 642 = 0.40031152647975077
0.40031152647975077 x 100 = 40.03%