33.73% is the change from 664 to 888
Calculation steps:
[( 888 - 664 ) ÷ 664] x 100 = 33.73%
Formula
Percentage change = [(888 - 664) / 664] x 100
Subtract the new number by the original number
888 - 664 = 224
224 ÷ 664 = 0.3373493975903614
0.3373493975903614 x 100 = 33.73%