211.54% is the change from 208 to 648
Calculation steps:
[( 648 - 208 ) ÷ 208] x 100 = 211.54%
Formula
Percentage change = [(648 - 208) / 208] x 100
Subtract the new number by the original number
648 - 208 = 440
440 ÷ 208 = 2.1153846153846154
2.1153846153846154 x 100 = 211.54%