-87.34% is the change from 719 to 91
Calculation steps:
[( 91 - 719 ) ÷ 719] x 100 = -87.34%
Formula
Percentage change = [(91 - 719) / 719] x 100
Subtract the new number by the original number
91 - 719 = -628
-628 ÷ 719 = -0.8734353268428373
-0.8734353268428373 x 100 = -87.34%