-36.99% is the change from 511 to 322
Calculation steps:
[( 322 - 511 ) ÷ 511] x 100 = -36.99%
Formula
Percentage change = [(322 - 511) / 511] x 100
Subtract the new number by the original number
322 - 511 = -189
-189 ÷ 511 = -0.3698630136986301
-0.3698630136986301 x 100 = -36.99%