37.99% is the change from 637 to 879
Calculation steps:
[( 879 - 637 ) ÷ 637] x 100 = 37.99%
Formula
Percentage change = [(879 - 637) / 637] x 100
Subtract the new number by the original number
879 - 637 = 242
242 ÷ 637 = 0.37990580847723704
0.37990580847723704 x 100 = 37.99%