155.35% is the change from 215 to 549
Calculation steps:
[( 549 - 215 ) ÷ 215] x 100 = 155.35%
Formula
Percentage change = [(549 - 215) / 215] x 100
Subtract the new number by the original number
549 - 215 = 334
334 ÷ 215 = 1.5534883720930233
1.5534883720930233 x 100 = 155.35%