198.62% is the change from 217 to 648
Calculation steps:
[( 648 - 217 ) ÷ 217] x 100 = 198.62%
Formula
Percentage change = [(648 - 217) / 217] x 100
Subtract the new number by the original number
648 - 217 = 431
431 ÷ 217 = 1.9861751152073732
1.9861751152073732 x 100 = 198.62%