-61.58% is the change from 505 to 194
Calculation steps:
[( 194 - 505 ) ÷ 505] x 100 = -61.58%
Formula
Percentage change = [(194 - 505) / 505] x 100
Subtract the new number by the original number
194 - 505 = -311
-311 ÷ 505 = -0.6158415841584158
-0.6158415841584158 x 100 = -61.58%