-89.54% is the change from 851 to 89
Calculation steps:
[( 89 - 851 ) ÷ 851] x 100 = -89.54%
Formula
Percentage change = [(89 - 851) / 851] x 100
Subtract the new number by the original number
89 - 851 = -762
-762 ÷ 851 = -0.8954171562867215
-0.8954171562867215 x 100 = -89.54%