25.3% is the change from 668 to 837
Calculation steps:
[( 837 - 668 ) ÷ 668] x 100 = 25.3%
Formula
Percentage change = [(837 - 668) / 668] x 100
Subtract the new number by the original number
837 - 668 = 169
169 ÷ 668 = 0.25299401197604793
0.25299401197604793 x 100 = 25.3%