-74.5% is the change from 847 to 216
Calculation steps:
[( 216 - 847 ) ÷ 847] x 100 = -74.5%
Formula
Percentage change = [(216 - 847) / 847] x 100
Subtract the new number by the original number
216 - 847 = -631
-631 ÷ 847 = -0.7449822904368358
-0.7449822904368358 x 100 = -74.5%