152.29% is the change from 218 to 550
Calculation steps:
[( 550 - 218 ) ÷ 218] x 100 = 152.29%
Formula
Percentage change = [(550 - 218) / 218] x 100
Subtract the new number by the original number
550 - 218 = 332
332 ÷ 218 = 1.5229357798165137
1.5229357798165137 x 100 = 152.29%