38.3% is the change from 637 to 881
Calculation steps:
[( 881 - 637 ) ÷ 637] x 100 = 38.3%
Formula
Percentage change = [(881 - 637) / 637] x 100
Subtract the new number by the original number
881 - 637 = 244
244 ÷ 637 = 0.38304552590266877
0.38304552590266877 x 100 = 38.3%