32.3% is the change from 644 to 852
Calculation steps:
[( 852 - 644 ) ÷ 644] x 100 = 32.3%
Formula
Percentage change = [(852 - 644) / 644] x 100
Subtract the new number by the original number
852 - 644 = 208
208 ÷ 644 = 0.32298136645962733
0.32298136645962733 x 100 = 32.3%