-82.41% is the change from 847 to 149
Calculation steps:
[( 149 - 847 ) ÷ 847] x 100 = -82.41%
Formula
Percentage change = [(149 - 847) / 847] x 100
Subtract the new number by the original number
149 - 847 = -698
-698 ÷ 847 = -0.8240850059031877
-0.8240850059031877 x 100 = -82.41%