-63.28% is the change from 847 to 311
Calculation steps:
[( 311 - 847 ) ÷ 847] x 100 = -63.28%
Formula
Percentage change = [(311 - 847) / 847] x 100
Subtract the new number by the original number
311 - 847 = -536
-536 ÷ 847 = -0.6328217237308147
-0.6328217237308147 x 100 = -63.28%