-63.58% is the change from 497 to 181
Calculation steps:
[( 181 - 497 ) ÷ 497] x 100 = -63.58%
Formula
Percentage change = [(181 - 497) / 497] x 100
Subtract the new number by the original number
181 - 497 = -316
-316 ÷ 497 = -0.635814889336016
-0.635814889336016 x 100 = -63.58%