-59.96% is the change from 507 to 203
Calculation steps:
[( 203 - 507 ) ÷ 507] x 100 = -59.96%
Formula
Percentage change = [(203 - 507) / 507] x 100
Subtract the new number by the original number
203 - 507 = -304
-304 ÷ 507 = -0.5996055226824457
-0.5996055226824457 x 100 = -59.96%