-61.83% is the change from 503 to 192
Calculation steps:
[( 192 - 503 ) ÷ 503] x 100 = -61.83%
Formula
Percentage change = [(192 - 503) / 503] x 100
Subtract the new number by the original number
192 - 503 = -311
-311 ÷ 503 = -0.6182902584493042
-0.6182902584493042 x 100 = -61.83%