-64.89% is the change from 507 to 178
Calculation steps:
[( 178 - 507 ) ÷ 507] x 100 = -64.89%
Formula
Percentage change = [(178 - 507) / 507] x 100
Subtract the new number by the original number
178 - 507 = -329
-329 ÷ 507 = -0.6489151873767258
-0.6489151873767258 x 100 = -64.89%