-77.86% is the change from 899 to 199
Calculation steps:
[( 199 - 899 ) ÷ 899] x 100 = -77.86%
Formula
Percentage change = [(199 - 899) / 899] x 100
Subtract the new number by the original number
199 - 899 = -700
-700 ÷ 899 = -0.778642936596218
-0.778642936596218 x 100 = -77.86%