37.57% is the change from 668 to 919
Calculation steps:
[( 919 - 668 ) ÷ 668] x 100 = 37.57%
Formula
Percentage change = [(919 - 668) / 668] x 100
Subtract the new number by the original number
919 - 668 = 251
251 ÷ 668 = 0.37574850299401197
0.37574850299401197 x 100 = 37.57%