-60.34% is the change from 817 to 324
Calculation steps:
[( 324 - 817 ) ÷ 817] x 100 = -60.34%
Formula
Percentage change = [(324 - 817) / 817] x 100
Subtract the new number by the original number
324 - 817 = -493
-493 ÷ 817 = -0.6034271725826194
-0.6034271725826194 x 100 = -60.34%