35.4% is the change from 644 to 872
Calculation steps:
[( 872 - 644 ) ÷ 644] x 100 = 35.4%
Formula
Percentage change = [(872 - 644) / 644] x 100
Subtract the new number by the original number
872 - 644 = 228
228 ÷ 644 = 0.35403726708074534
0.35403726708074534 x 100 = 35.4%