-92.81% is the change from 306 to 22
Calculation steps:
[( 22 - 306 ) ÷ 306] x 100 = -92.81%
Formula
Percentage change = [(22 - 306) / 306] x 100
Subtract the new number by the original number
22 - 306 = -284
-284 ÷ 306 = -0.9281045751633987
-0.9281045751633987 x 100 = -92.81%