-53.45% is the change from 507 to 236
Calculation steps:
[( 236 - 507 ) ÷ 507] x 100 = -53.45%
Formula
Percentage change = [(236 - 507) / 507] x 100
Subtract the new number by the original number
236 - 507 = -271
-271 ÷ 507 = -0.534516765285996
-0.534516765285996 x 100 = -53.45%