-62.24% is the change from 858 to 324
Calculation steps:
[( 324 - 858 ) ÷ 858] x 100 = -62.24%
Formula
Percentage change = [(324 - 858) / 858] x 100
Subtract the new number by the original number
324 - 858 = -534
-534 ÷ 858 = -0.6223776223776224
-0.6223776223776224 x 100 = -62.24%