-38.76% is the change from 209 to 128
Calculation steps:
[( 128 - 209 ) ÷ 209] x 100 = -38.76%
Formula
Percentage change = [(128 - 209) / 209] x 100
Subtract the new number by the original number
128 - 209 = -81
-81 ÷ 209 = -0.3875598086124402
-0.3875598086124402 x 100 = -38.76%