-82.17% is the change from 847 to 151
Calculation steps:
[( 151 - 847 ) ÷ 847] x 100 = -82.17%
Formula
Percentage change = [(151 - 847) / 847] x 100
Subtract the new number by the original number
151 - 847 = -696
-696 ÷ 847 = -0.8217237308146399
-0.8217237308146399 x 100 = -82.17%