-27.74% is the change from 847 to 612
Calculation steps:
[( 612 - 847 ) ÷ 847] x 100 = -27.74%
Formula
Percentage change = [(612 - 847) / 847] x 100
Subtract the new number by the original number
612 - 847 = -235
-235 ÷ 847 = -0.27744982290436837
-0.27744982290436837 x 100 = -27.74%