-72.69% is the change from 648 to 177
Calculation steps:
[( 177 - 648 ) ÷ 648] x 100 = -72.69%
Formula
Percentage change = [(177 - 648) / 648] x 100
Subtract the new number by the original number
177 - 648 = -471
-471 ÷ 648 = -0.7268518518518519
-0.7268518518518519 x 100 = -72.69%