-89.1% is the change from 688 to 75
Calculation steps:
[( 75 - 688 ) ÷ 688] x 100 = -89.1%
Formula
Percentage change = [(75 - 688) / 688] x 100
Subtract the new number by the original number
75 - 688 = -613
-613 ÷ 688 = -0.8909883720930233
-0.8909883720930233 x 100 = -89.1%