-99.63% is the change from 272 to 1
Calculation steps:
[( 1 - 272 ) ÷ 272] x 100 = -99.63%
Formula
Percentage change = [(1 - 272) / 272] x 100
Subtract the new number by the original number
1 - 272 = -271
-271 ÷ 272 = -0.9963235294117647
-0.9963235294117647 x 100 = -99.63%