41.77% is the change from 644 to 913
Calculation steps:
[( 913 - 644 ) ÷ 644] x 100 = 41.77%
Formula
Percentage change = [(913 - 644) / 644] x 100
Subtract the new number by the original number
913 - 644 = 269
269 ÷ 644 = 0.41770186335403725
0.41770186335403725 x 100 = 41.77%