-53.65% is the change from 507 to 235
Calculation steps:
[( 235 - 507 ) ÷ 507] x 100 = -53.65%
Formula
Percentage change = [(235 - 507) / 507] x 100
Subtract the new number by the original number
235 - 507 = -272
-272 ÷ 507 = -0.5364891518737672
-0.5364891518737672 x 100 = -53.65%