35% is the change from 680 to 918
Calculation steps:
[( 918 - 680 ) ÷ 680] x 100 = 35%
Formula
Percentage change = [(918 - 680) / 680] x 100
Subtract the new number by the original number
918 - 680 = 238
238 ÷ 680 = 0.35
0.35 x 100 = 35%
Example