-10.6% is the change from 283 to 253
Calculation steps:
[( 253 - 283 ) ÷ 283] x 100 = -10.6%
Formula
Percentage change = [(253 - 283) / 283] x 100
Subtract the new number by the original number
253 - 283 = -30
-30 ÷ 283 = -0.10600706713780919
-0.10600706713780919 x 100 = -10.6%