-95.39% is the change from 217 to 10
Calculation steps:
[( 10 - 217 ) ÷ 217] x 100 = -95.39%
Formula
Percentage change = [(10 - 217) / 217] x 100
Subtract the new number by the original number
10 - 217 = -207
-207 ÷ 217 = -0.9539170506912442
-0.9539170506912442 x 100 = -95.39%