-25.8% is the change from 500 to 371
Calculation steps:
[( 371 - 500 ) ÷ 500] x 100 = -25.8%
Formula
Percentage change = [(371 - 500) / 500] x 100
Subtract the new number by the original number
371 - 500 = -129
-129 ÷ 500 = -0.258
-0.258 x 100 = -25.8%