-77.86% is the change from 849 to 188
Calculation steps:
[( 188 - 849 ) ÷ 849] x 100 = -77.86%
Formula
Percentage change = [(188 - 849) / 849] x 100
Subtract the new number by the original number
188 - 849 = -661
-661 ÷ 849 = -0.7785630153121319
-0.7785630153121319 x 100 = -77.86%