-89.44% is the change from 691 to 73
Calculation steps:
[( 73 - 691 ) ÷ 691] x 100 = -89.44%
Formula
Percentage change = [(73 - 691) / 691] x 100
Subtract the new number by the original number
73 - 691 = -618
-618 ÷ 691 = -0.894356005788712
-0.894356005788712 x 100 = -89.44%