-78.85% is the change from 506 to 107
Calculation steps:
[( 107 - 506 ) ÷ 506] x 100 = -78.85%
Formula
Percentage change = [(107 - 506) / 506] x 100
Subtract the new number by the original number
107 - 506 = -399
-399 ÷ 506 = -0.7885375494071146
-0.7885375494071146 x 100 = -78.85%