-82.46% is the change from 861 to 151
Calculation steps:
[( 151 - 861 ) ÷ 861] x 100 = -82.46%
Formula
Percentage change = [(151 - 861) / 861] x 100
Subtract the new number by the original number
151 - 861 = -710
-710 ÷ 861 = -0.8246225319396051
-0.8246225319396051 x 100 = -82.46%