-14.14% is the change from 198 to 170
Calculation steps:
[( 170 - 198 ) ÷ 198] x 100 = -14.14%
Formula
Percentage change = [(170 - 198) / 198] x 100
Subtract the new number by the original number
170 - 198 = -28
-28 ÷ 198 = -0.1414141414141414
-0.1414141414141414 x 100 = -14.14%