-86.34% is the change from 688 to 94
Calculation steps:
[( 94 - 688 ) ÷ 688] x 100 = -86.34%
Formula
Percentage change = [(94 - 688) / 688] x 100
Subtract the new number by the original number
94 - 688 = -594
-594 ÷ 688 = -0.8633720930232558
-0.8633720930232558 x 100 = -86.34%