360.47% is the change from 215 to 990
Calculation steps:
[( 990 - 215 ) ÷ 215] x 100 = 360.47%
Formula
Percentage change = [(990 - 215) / 215] x 100
Subtract the new number by the original number
990 - 215 = 775
775 ÷ 215 = 3.604651162790698
3.604651162790698 x 100 = 360.47%