-18.42% is the change from 847 to 691
Calculation steps:
[( 691 - 847 ) ÷ 847] x 100 = -18.42%
Formula
Percentage change = [(691 - 847) / 847] x 100
Subtract the new number by the original number
691 - 847 = -156
-156 ÷ 847 = -0.18417945690672963
-0.18417945690672963 x 100 = -18.42%