-61.23% is the change from 503 to 195
Calculation steps:
[( 195 - 503 ) ÷ 503] x 100 = -61.23%
Formula
Percentage change = [(195 - 503) / 503] x 100
Subtract the new number by the original number
195 - 503 = -308
-308 ÷ 503 = -0.6123260437375746
-0.6123260437375746 x 100 = -61.23%