-62.03% is the change from 503 to 191
Calculation steps:
[( 191 - 503 ) ÷ 503] x 100 = -62.03%
Formula
Percentage change = [(191 - 503) / 503] x 100
Subtract the new number by the original number
191 - 503 = -312
-312 ÷ 503 = -0.6202783300198808
-0.6202783300198808 x 100 = -62.03%