21.83% is the change from 545 to 664
Calculation steps:
[( 664 - 545 ) ÷ 545] x 100 = 21.83%
Formula
Percentage change = [(664 - 545) / 545] x 100
Subtract the new number by the original number
664 - 545 = 119
119 ÷ 545 = 0.21834862385321102
0.21834862385321102 x 100 = 21.83%