341.1% is the change from 146 to 644
Calculation steps:
[( 644 - 146 ) ÷ 146] x 100 = 341.1%
Formula
Percentage change = [(644 - 146) / 146] x 100
Subtract the new number by the original number
644 - 146 = 498
498 ÷ 146 = 3.410958904109589
3.410958904109589 x 100 = 341.1%