144.32% is the change from 264 to 645
Calculation steps:
[( 645 - 264 ) ÷ 264] x 100 = 144.32%
Formula
Percentage change = [(645 - 264) / 264] x 100
Subtract the new number by the original number
645 - 264 = 381
381 ÷ 264 = 1.4431818181818181
1.4431818181818181 x 100 = 144.32%