-87.7% is the change from 244 to 30
Calculation steps:
[( 30 - 244 ) ÷ 244] x 100 = -87.7%
Formula
Percentage change = [(30 - 244) / 244] x 100
Subtract the new number by the original number
30 - 244 = -214
-214 ÷ 244 = -0.8770491803278688
-0.8770491803278688 x 100 = -87.7%