-69.79% is the change from 854 to 258
Calculation steps:
[( 258 - 854 ) ÷ 854] x 100 = -69.79%
Formula
Percentage change = [(258 - 854) / 854] x 100
Subtract the new number by the original number
258 - 854 = -596
-596 ÷ 854 = -0.6978922716627635
-0.6978922716627635 x 100 = -69.79%