48.14% is the change from 644 to 954
Calculation steps:
[( 954 - 644 ) ÷ 644] x 100 = 48.14%
Formula
Percentage change = [(954 - 644) / 644] x 100
Subtract the new number by the original number
954 - 644 = 310
310 ÷ 644 = 0.4813664596273292
0.4813664596273292 x 100 = 48.14%