54.78% is the change from 429 to 664
Calculation steps:
[( 664 - 429 ) ÷ 429] x 100 = 54.78%
Formula
Percentage change = [(664 - 429) / 429] x 100
Subtract the new number by the original number
664 - 429 = 235
235 ÷ 429 = 0.5477855477855478
0.5477855477855478 x 100 = 54.78%