37.23% is the change from 642 to 881
Calculation steps:
[( 881 - 642 ) ÷ 642] x 100 = 37.23%
Formula
Percentage change = [(881 - 642) / 642] x 100
Subtract the new number by the original number
881 - 642 = 239
239 ÷ 642 = 0.37227414330218067
0.37227414330218067 x 100 = 37.23%