-86.54% is the change from 691 to 93
Calculation steps:
[( 93 - 691 ) ÷ 691] x 100 = -86.54%
Formula
Percentage change = [(93 - 691) / 691] x 100
Subtract the new number by the original number
93 - 691 = -598
-598 ÷ 691 = -0.8654124457308249
-0.8654124457308249 x 100 = -86.54%