-78.69% is the change from 502 to 107
Calculation steps:
[( 107 - 502 ) ÷ 502] x 100 = -78.69%
Formula
Percentage change = [(107 - 502) / 502] x 100
Subtract the new number by the original number
107 - 502 = -395
-395 ÷ 502 = -0.7868525896414342
-0.7868525896414342 x 100 = -78.69%