-18.27% is the change from 208 to 170
Calculation steps:
[( 170 - 208 ) ÷ 208] x 100 = -18.27%
Formula
Percentage change = [(170 - 208) / 208] x 100
Subtract the new number by the original number
170 - 208 = -38
-38 ÷ 208 = -0.18269230769230768
-0.18269230769230768 x 100 = -18.27%