156.68% is the change from 217 to 557
Calculation steps:
[( 557 - 217 ) ÷ 217] x 100 = 156.68%
Formula
Percentage change = [(557 - 217) / 217] x 100
Subtract the new number by the original number
557 - 217 = 340
340 ÷ 217 = 1.566820276497696
1.566820276497696 x 100 = 156.68%