131.65% is the change from 278 to 644
Calculation steps:
[( 644 - 278 ) ÷ 278] x 100 = 131.65%
Formula
Percentage change = [(644 - 278) / 278] x 100
Subtract the new number by the original number
644 - 278 = 366
366 ÷ 278 = 1.316546762589928
1.316546762589928 x 100 = 131.65%