-61.62% is the change from 839 to 322
Calculation steps:
[( 322 - 839 ) ÷ 839] x 100 = -61.62%
Formula
Percentage change = [(322 - 839) / 839] x 100
Subtract the new number by the original number
322 - 839 = -517
-517 ÷ 839 = -0.6162097735399285
-0.6162097735399285 x 100 = -61.62%