-25.44% is the change from 228 to 170
Calculation steps:
[( 170 - 228 ) ÷ 228] x 100 = -25.44%
Formula
Percentage change = [(170 - 228) / 228] x 100
Subtract the new number by the original number
170 - 228 = -58
-58 ÷ 228 = -0.2543859649122807
-0.2543859649122807 x 100 = -25.44%