-72.11% is the change from 649 to 181
Calculation steps:
[( 181 - 649 ) ÷ 649] x 100 = -72.11%
Formula
Percentage change = [(181 - 649) / 649] x 100
Subtract the new number by the original number
181 - 649 = -468
-468 ÷ 649 = -0.7211093990755008
-0.7211093990755008 x 100 = -72.11%