601000-53364=547636, so the percentage increase is 100(547636/53364)=1,026.23%.
Alternatively: 601000/53364=100(11.2623-1)%=100×10.2623%=1,026.23%.
If the increase was to 60100, then the percentage increase would have been 12.62%:
60100-53364=6736⇒100(6736/53364)=12.62%; or:
60100/53364=100(1.1262-1)=100×0.1262=12.62%.