-85.08% is the change from 677 to 101
Calculation steps:
[( 101 - 677 ) ÷ 677] x 100 = -85.08%
Formula
Percentage change = [(101 - 677) / 677] x 100
Subtract the new number by the original number
101 - 677 = -576
-576 ÷ 677 = -0.8508124076809453
-0.8508124076809453 x 100 = -85.08%