-18.76% is the change from 485 to 394
Calculation steps:
[( 394 - 485 ) ÷ 485] x 100 = -18.76%
Formula
Percentage change = [(394 - 485) / 485] x 100
Subtract the new number by the original number
394 - 485 = -91
-91 ÷ 485 = -0.18762886597938144
-0.18762886597938144 x 100 = -18.76%