-74.85% is the change from 676 to 170
Calculation steps:
[( 170 - 676 ) ÷ 676] x 100 = -74.85%
Formula
Percentage change = [(170 - 676) / 676] x 100
Subtract the new number by the original number
170 - 676 = -506
-506 ÷ 676 = -0.7485207100591716
-0.7485207100591716 x 100 = -74.85%