-43.56% is the change from 303 to 171
Calculation steps:
[( 171 - 303 ) ÷ 303] x 100 = -43.56%
Formula
Percentage change = [(171 - 303) / 303] x 100
Subtract the new number by the original number
171 - 303 = -132
-132 ÷ 303 = -0.43564356435643564
-0.43564356435643564 x 100 = -43.56%