25.09% is the change from 534 to 668
Calculation steps:
[( 668 - 534 ) ÷ 534] x 100 = 25.09%
Formula
Percentage change = [(668 - 534) / 534] x 100
Subtract the new number by the original number
668 - 534 = 134
134 ÷ 534 = 0.250936329588015
0.250936329588015 x 100 = 25.09%