-95.34% is the change from 322 to 15
Calculation steps:
[( 15 - 322 ) ÷ 322] x 100 = -95.34%
Formula
Percentage change = [(15 - 322) / 322] x 100
Subtract the new number by the original number
15 - 322 = -307
-307 ÷ 322 = -0.953416149068323
-0.953416149068323 x 100 = -95.34%