-11.46% is the change from 192 to 170
Calculation steps:
[( 170 - 192 ) ÷ 192] x 100 = -11.46%
Formula
Percentage change = [(170 - 192) / 192] x 100
Subtract the new number by the original number
170 - 192 = -22
-22 ÷ 192 = -0.11458333333333333
-0.11458333333333333 x 100 = -11.46%