-98.9% is the change from 272 to 3
Calculation steps:
[( 3 - 272 ) ÷ 272] x 100 = -98.9%
Formula
Percentage change = [(3 - 272) / 272] x 100
Subtract the new number by the original number
3 - 272 = -269
-269 ÷ 272 = -0.9889705882352942
-0.9889705882352942 x 100 = -98.9%