-42% is the change from 300 to 174
Calculation steps:
[( 174 - 300 ) ÷ 300] x 100 = -42%
Formula
Percentage change = [(174 - 300) / 300] x 100
Subtract the new number by the original number
174 - 300 = -126
-126 ÷ 300 = -0.42
-0.42 x 100 = -42%
Example