250% is the change from 192 to 672
Calculation steps:
[( 672 - 192 ) ÷ 192] x 100 = 250%
Formula
Percentage change = [(672 - 192) / 192] x 100
Subtract the new number by the original number
672 - 192 = 480
480 ÷ 192 = 2.5
2.5 x 100 = 250%
Example