27.4% is the change from 657 to 837
Calculation steps:
[( 837 - 657 ) ÷ 657] x 100 = 27.4%
Formula
Percentage change = [(837 - 657) / 657] x 100
Subtract the new number by the original number
837 - 657 = 180
180 ÷ 657 = 0.273972602739726
0.273972602739726 x 100 = 27.4%