-43.79% is the change from 507 to 285
Calculation steps:
[( 285 - 507 ) ÷ 507] x 100 = -43.79%
Formula
Percentage change = [(285 - 507) / 507] x 100
Subtract the new number by the original number
285 - 507 = -222
-222 ÷ 507 = -0.4378698224852071
-0.4378698224852071 x 100 = -43.79%