-81.31% is the change from 808 to 151
Calculation steps:
[( 151 - 808 ) ÷ 808] x 100 = -81.31%
Formula
Percentage change = [(151 - 808) / 808] x 100
Subtract the new number by the original number
151 - 808 = -657
-657 ÷ 808 = -0.8131188118811881
-0.8131188118811881 x 100 = -81.31%