-79.15% is the change from 849 to 177
Calculation steps:
[( 177 - 849 ) ÷ 849] x 100 = -79.15%
Formula
Percentage change = [(177 - 849) / 849] x 100
Subtract the new number by the original number
177 - 849 = -672
-672 ÷ 849 = -0.7915194346289752
-0.7915194346289752 x 100 = -79.15%