143.44% is the change from 320 to 779
Calculation steps:
[( 779 - 320 ) ÷ 320] x 100 = 143.44%
Formula
Percentage change = [(779 - 320) / 320] x 100
Subtract the new number by the original number
779 - 320 = 459
459 ÷ 320 = 1.434375
1.434375 x 100 = 143.44%