Daily Percent Change Indicator
Indicator window shows % change for the day.
% change = (Daily open price - candle close or current price) / Daily open price ) * 100
Original:
https://www.mql5.com/en/code/24878
With the modification of the comment:
Indicator:
Daily Percent Change 1.0.ex5
Daily Percent Change 1.0.mq5
Config (TF=Daily):
mt4 version too https://www.mql5.com/en/code/24880