9.34% is the change from 589 to 644
Calculation steps:
[( 644 - 589 ) ÷ 589] x 100 = 9.34%
Formula
Percentage change = [(644 - 589) / 589] x 100
Subtract the new number by the original number
644 - 589 = 55
55 ÷ 589 = 0.0933786078098472
0.0933786078098472 x 100 = 9.34%