-89.73% is the change from 263 to 27
Calculation steps:
[( 27 - 263 ) ÷ 263] x 100 = -89.73%
Formula
Percentage change = [(27 - 263) / 263] x 100
Subtract the new number by the original number
27 - 263 = -236
-236 ÷ 263 = -0.8973384030418251
-0.8973384030418251 x 100 = -89.73%