-63.31% is the change from 507 to 186
Calculation steps:
[( 186 - 507 ) ÷ 507] x 100 = -63.31%
Formula
Percentage change = [(186 - 507) / 507] x 100
Subtract the new number by the original number
186 - 507 = -321
-321 ÷ 507 = -0.6331360946745562
-0.6331360946745562 x 100 = -63.31%