30% is the change from 680 to 884
Calculation steps:
[( 884 - 680 ) ÷ 680] x 100 = 30%
Formula
Percentage change = [(884 - 680) / 680] x 100
Subtract the new number by the original number
884 - 680 = 204
204 ÷ 680 = 0.3
0.3 x 100 = 30%
Example