-95.66% is the change from 691 to 30
Calculation steps:
[( 30 - 691 ) ÷ 691] x 100 = -95.66%
Formula
Percentage change = [(30 - 691) / 691] x 100
Subtract the new number by the original number
30 - 691 = -661
-661 ÷ 691 = -0.9565846599131693
-0.9565846599131693 x 100 = -95.66%