-63.29% is the change from 493 to 181
Calculation steps:
[( 181 - 493 ) ÷ 493] x 100 = -63.29%
Formula
Percentage change = [(181 - 493) / 493] x 100
Subtract the new number by the original number
181 - 493 = -312
-312 ÷ 493 = -0.6328600405679513
-0.6328600405679513 x 100 = -63.29%