-62.85% is the change from 506 to 188
Calculation steps:
[( 188 - 506 ) ÷ 506] x 100 = -62.85%
Formula
Percentage change = [(188 - 506) / 506] x 100
Subtract the new number by the original number
188 - 506 = -318
-318 ÷ 506 = -0.6284584980237155
-0.6284584980237155 x 100 = -62.85%