40.99% is the change from 644 to 908
Calculation steps:
[( 908 - 644 ) ÷ 644] x 100 = 40.99%
Formula
Percentage change = [(908 - 644) / 644] x 100
Subtract the new number by the original number
908 - 644 = 264
264 ÷ 644 = 0.40993788819875776
0.40993788819875776 x 100 = 40.99%