450% is the change from 64 to 352
Calculation steps:
[( 352 - 64 ) ÷ 64] x 100 = 450%
Formula
Percentage change = [(352 - 64) / 64] x 100
Subtract the new number by the original number
352 - 64 = 288
288 ÷ 64 = 4.5
4.5 x 100 = 450%
Example