-94.46% is the change from 307 to 17
Calculation steps:
[( 17 - 307 ) ÷ 307] x 100 = -94.46%
Formula
Percentage change = [(17 - 307) / 307] x 100
Subtract the new number by the original number
17 - 307 = -290
-290 ÷ 307 = -0.9446254071661238
-0.9446254071661238 x 100 = -94.46%