-43.38% is the change from 302 to 171
Calculation steps:
[( 171 - 302 ) ÷ 302] x 100 = -43.38%
Formula
Percentage change = [(171 - 302) / 302] x 100
Subtract the new number by the original number
171 - 302 = -131
-131 ÷ 302 = -0.4337748344370861
-0.4337748344370861 x 100 = -43.38%