-64.69% is the change from 507 to 179
Calculation steps:
[( 179 - 507 ) ÷ 507] x 100 = -64.69%
Formula
Percentage change = [(179 - 507) / 507] x 100
Subtract the new number by the original number
179 - 507 = -328
-328 ÷ 507 = -0.6469428007889546
-0.6469428007889546 x 100 = -64.69%