-16.5% is the change from 303 to 253
Calculation steps:
[( 253 - 303 ) ÷ 303] x 100 = -16.5%
Formula
Percentage change = [(253 - 303) / 303] x 100
Subtract the new number by the original number
253 - 303 = -50
-50 ÷ 303 = -0.16501650165016502
-0.16501650165016502 x 100 = -16.5%