284.38% is the change from 224 to 861
Calculation steps:
[( 861 - 224 ) ÷ 224] x 100 = 284.38%
Formula
Percentage change = [(861 - 224) / 224] x 100
Subtract the new number by the original number
861 - 224 = 637
637 ÷ 224 = 2.84375
2.84375 x 100 = 284.38%