-97.94% is the change from 778 to 16
Calculation steps:
[( 16 - 778 ) ÷ 778] x 100 = -97.94%
Formula
Percentage change = [(16 - 778) / 778] x 100
Subtract the new number by the original number
16 - 778 = -762
-762 ÷ 778 = -0.9794344473007712
-0.9794344473007712 x 100 = -97.94%