42.43% is the change from 641 to 913
Calculation steps:
[( 913 - 641 ) ÷ 641] x 100 = 42.43%
Formula
Percentage change = [(913 - 641) / 641] x 100
Subtract the new number by the original number
913 - 641 = 272
272 ÷ 641 = 0.4243369734789392
0.4243369734789392 x 100 = 42.43%