-61.04% is the change from 847 to 330
Calculation steps:
[( 330 - 847 ) ÷ 847] x 100 = -61.04%
Formula
Percentage change = [(330 - 847) / 847] x 100
Subtract the new number by the original number
330 - 847 = -517
-517 ÷ 847 = -0.6103896103896104
-0.6103896103896104 x 100 = -61.04%