34.43% is the change from 668 to 898
Calculation steps:
[( 898 - 668 ) ÷ 668] x 100 = 34.43%
Formula
Percentage change = [(898 - 668) / 668] x 100
Subtract the new number by the original number
898 - 668 = 230
230 ÷ 668 = 0.344311377245509
0.344311377245509 x 100 = 34.43%