39.7% is the change from 461 to 644
Calculation steps:
[( 644 - 461 ) ÷ 461] x 100 = 39.7%
Formula
Percentage change = [(644 - 461) / 461] x 100
Subtract the new number by the original number
644 - 461 = 183
183 ÷ 461 = 0.3969631236442516
0.3969631236442516 x 100 = 39.7%