-41.01% is the change from 217 to 128
Calculation steps:
[( 128 - 217 ) ÷ 217] x 100 = -41.01%
Formula
Percentage change = [(128 - 217) / 217] x 100
Subtract the new number by the original number
128 - 217 = -89
-89 ÷ 217 = -0.41013824884792627
-0.41013824884792627 x 100 = -41.01%