-79.02% is the change from 691 to 145
Calculation steps:
[( 145 - 691 ) ÷ 691] x 100 = -79.02%
Formula
Percentage change = [(145 - 691) / 691] x 100
Subtract the new number by the original number
145 - 691 = -546
-546 ÷ 691 = -0.7901591895803184
-0.7901591895803184 x 100 = -79.02%