-29.75% is the change from 968 to 680
Calculation steps:
[( 680 - 968 ) ÷ 968] x 100 = -29.75%
Formula
Percentage change = [(680 - 968) / 968] x 100
Subtract the new number by the original number
680 - 968 = -288
-288 ÷ 968 = -0.2975206611570248
-0.2975206611570248 x 100 = -29.75%