-63.16% is the change from 847 to 312
Calculation steps:
[( 312 - 847 ) ÷ 847] x 100 = -63.16%
Formula
Percentage change = [(312 - 847) / 847] x 100
Subtract the new number by the original number
312 - 847 = -535
-535 ÷ 847 = -0.6316410861865407
-0.6316410861865407 x 100 = -63.16%