-97.04% is the change from 270 to 8
Calculation steps:
[( 8 - 270 ) ÷ 270] x 100 = -97.04%
Formula
Percentage change = [(8 - 270) / 270] x 100
Subtract the new number by the original number
8 - 270 = -262
-262 ÷ 270 = -0.9703703703703703
-0.9703703703703703 x 100 = -97.04%