-51.48% is the change from 507 to 246
Calculation steps:
[( 246 - 507 ) ÷ 507] x 100 = -51.48%
Formula
Percentage change = [(246 - 507) / 507] x 100
Subtract the new number by the original number
246 - 507 = -261
-261 ÷ 507 = -0.514792899408284
-0.514792899408284 x 100 = -51.48%