-94.44% is the change from 306 to 17
Calculation steps:
[( 17 - 306 ) ÷ 306] x 100 = -94.44%
Formula
Percentage change = [(17 - 306) / 306] x 100
Subtract the new number by the original number
17 - 306 = -289
-289 ÷ 306 = -0.9444444444444444
-0.9444444444444444 x 100 = -94.44%