3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val1 = 1122; $val2 = 280; echo round((($val1 - $val2) / $val1) * 100).'%';
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
75%
preferences:
111.61 ms | 1433 KiB | 4 Q