-86.08% is the change from 661 to 92
Calculation steps:
[( 92 - 661 ) ÷ 661] x 100 = -86.08%
Formula
Percentage change = [(92 - 661) / 661] x 100
Subtract the new number by the original number
92 - 661 = -569
-569 ÷ 661 = -0.8608169440242057
-0.8608169440242057 x 100 = -86.08%