41.5% is the change from 641 to 907
Calculation steps:
[( 907 - 641 ) ÷ 641] x 100 = 41.5%
Formula
Percentage change = [(907 - 641) / 641] x 100
Subtract the new number by the original number
907 - 641 = 266
266 ÷ 641 = 0.41497659906396256
0.41497659906396256 x 100 = 41.5%