Will upgrading PLDT 100mbps to 500mbps get me lower latency/ping spikes in gaming?

Hello sorry noob post. There's like 15 devices connected here and nababagalan ako for gaming (packet loss and ping spikes). Will upgrading my plan (PLDT Fibr) from 100mbps to 500mbps get me lower latency/ping spikes in gaming? I also use ethernet cat6 and anlala ng ping spikes.