-20.96% is the change from 272 to 215
Calculation steps:
[( 215 - 272 ) ÷ 272] x 100 = -20.96%
Formula
Percentage change = [(215 - 272) / 272] x 100
Subtract the new number by the original number
215 - 272 = -57
-57 ÷ 272 = -0.20955882352941177
-0.20955882352941177 x 100 = -20.96%