39.91% is the change from 461 to 645
Calculation steps:
[( 645 - 461 ) ÷ 461] x 100 = 39.91%
Formula
Percentage change = [(645 - 461) / 461] x 100
Subtract the new number by the original number
645 - 461 = 184
184 ÷ 461 = 0.39913232104121477
0.39913232104121477 x 100 = 39.91%