-64.02% is the change from 503 to 181
Calculation steps:
[( 181 - 503 ) ÷ 503] x 100 = -64.02%
Formula
Percentage change = [(181 - 503) / 503] x 100
Subtract the new number by the original number
181 - 503 = -322
-322 ÷ 503 = -0.6401590457256461
-0.6401590457256461 x 100 = -64.02%