-84.47% is the change from 322 to 50
Calculation steps:
[( 50 - 322 ) ÷ 322] x 100 = -84.47%
Formula
Percentage change = [(50 - 322) / 322] x 100
Subtract the new number by the original number
50 - 322 = -272
-272 ÷ 322 = -0.84472049689441
-0.84472049689441 x 100 = -84.47%