-37.78% is the change from 270 to 168
Calculation steps:
[( 168 - 270 ) ÷ 270] x 100 = -37.78%
Formula
Percentage change = [(168 - 270) / 270] x 100
Subtract the new number by the original number
168 - 270 = -102
-102 ÷ 270 = -0.37777777777777777
-0.37777777777777777 x 100 = -37.78%