360.93% is the change from 215 to 991
Calculation steps:
[( 991 - 215 ) ÷ 215] x 100 = 360.93%
Formula
Percentage change = [(991 - 215) / 215] x 100
Subtract the new number by the original number
991 - 215 = 776
776 ÷ 215 = 3.609302325581395
3.609302325581395 x 100 = 360.93%