-20.56% is the change from 214 to 170
Calculation steps:
[( 170 - 214 ) ÷ 214] x 100 = -20.56%
Formula
Percentage change = [(170 - 214) / 214] x 100
Subtract the new number by the original number
170 - 214 = -44
-44 ÷ 214 = -0.205607476635514
-0.205607476635514 x 100 = -20.56%