-58.19% is the change from 507 to 212
Calculation steps:
[( 212 - 507 ) ÷ 507] x 100 = -58.19%
Formula
Percentage change = [(212 - 507) / 507] x 100
Subtract the new number by the original number
212 - 507 = -295
-295 ÷ 507 = -0.5818540433925049
-0.5818540433925049 x 100 = -58.19%