-82.45% is the change from 507 to 89
Calculation steps:
[( 89 - 507 ) ÷ 507] x 100 = -82.45%
Formula
Percentage change = [(89 - 507) / 507] x 100
Subtract the new number by the original number
89 - 507 = -418
-418 ÷ 507 = -0.8244575936883629
-0.8244575936883629 x 100 = -82.45%