-58.6% is the change from 500 to 207
Calculation steps:
[( 207 - 500 ) ÷ 500] x 100 = -58.6%
Formula
Percentage change = [(207 - 500) / 500] x 100
Subtract the new number by the original number
207 - 500 = -293
-293 ÷ 500 = -0.586
-0.586 x 100 = -58.6%