-47.93% is the change from 507 to 264
Calculation steps:
[( 264 - 507 ) ÷ 507] x 100 = -47.93%
Formula
Percentage change = [(264 - 507) / 507] x 100
Subtract the new number by the original number
264 - 507 = -243
-243 ÷ 507 = -0.47928994082840237
-0.47928994082840237 x 100 = -47.93%