247.2% is the change from 286 to 993
Calculation steps:
[( 993 - 286 ) ÷ 286] x 100 = 247.2%
Formula
Percentage change = [(993 - 286) / 286] x 100
Subtract the new number by the original number
993 - 286 = 707
707 ÷ 286 = 2.472027972027972
2.472027972027972 x 100 = 247.2%