-36.36% is the change from 506 to 322
Calculation steps:
[( 322 - 506 ) ÷ 506] x 100 = -36.36%
Formula
Percentage change = [(322 - 506) / 506] x 100
Subtract the new number by the original number
322 - 506 = -184
-184 ÷ 506 = -0.36363636363636365
-0.36363636363636365 x 100 = -36.36%