-91.06% is the change from 302 to 27
Calculation steps:
[( 27 - 302 ) ÷ 302] x 100 = -91.06%
Formula
Percentage change = [(27 - 302) / 302] x 100
Subtract the new number by the original number
27 - 302 = -275
-275 ÷ 302 = -0.9105960264900662
-0.9105960264900662 x 100 = -91.06%