643.9% is the change from 41 to 305
Calculation steps:
[( 305 - 41 ) ÷ 41] x 100 = 643.9%
Formula
Percentage change = [(305 - 41) / 41] x 100
Subtract the new number by the original number
305 - 41 = 264
264 ÷ 41 = 6.439024390243903
6.439024390243903 x 100 = 643.9%