-63.24% is the change from 272 to 100
Calculation steps:
[( 100 - 272 ) ÷ 272] x 100 = -63.24%
Formula
Percentage change = [(100 - 272) / 272] x 100
Subtract the new number by the original number
100 - 272 = -172
-172 ÷ 272 = -0.6323529411764706
-0.6323529411764706 x 100 = -63.24%