-63.51% is the change from 507 to 185
Calculation steps:
[( 185 - 507 ) ÷ 507] x 100 = -63.51%
Formula
Percentage change = [(185 - 507) / 507] x 100
Subtract the new number by the original number
185 - 507 = -322
-322 ÷ 507 = -0.6351084812623274
-0.6351084812623274 x 100 = -63.51%