305.66% is the change from 159 to 645
Calculation steps:
[( 645 - 159 ) ÷ 159] x 100 = 305.66%
Formula
Percentage change = [(645 - 159) / 159] x 100
Subtract the new number by the original number
645 - 159 = 486
486 ÷ 159 = 3.056603773584906
3.056603773584906 x 100 = 305.66%