-97.64% is the change from 677 to 16
Calculation steps:
[( 16 - 677 ) ÷ 677] x 100 = -97.64%
Formula
Percentage change = [(16 - 677) / 677] x 100
Subtract the new number by the original number
16 - 677 = -661
-661 ÷ 677 = -0.9763663220088626
-0.9763663220088626 x 100 = -97.64%