-77.69% is the change from 847 to 189
Calculation steps:
[( 189 - 847 ) ÷ 847] x 100 = -77.69%
Formula
Percentage change = [(189 - 847) / 847] x 100
Subtract the new number by the original number
189 - 847 = -658
-658 ÷ 847 = -0.7768595041322314
-0.7768595041322314 x 100 = -77.69%