-55.08% is the change from 394 to 177
Calculation steps:
[( 177 - 394 ) ÷ 394] x 100 = -55.08%
Formula
Percentage change = [(177 - 394) / 394] x 100
Subtract the new number by the original number
177 - 394 = -217
-217 ÷ 394 = -0.550761421319797
-0.550761421319797 x 100 = -55.08%