-77.16% is the change from 394 to 90
Calculation steps:
[( 90 - 394 ) ÷ 394] x 100 = -77.16%
Formula
Percentage change = [(90 - 394) / 394] x 100
Subtract the new number by the original number
90 - 394 = -304
-304 ÷ 394 = -0.7715736040609137
-0.7715736040609137 x 100 = -77.16%