200.3% is the change from 330 to 991
Calculation steps:
[( 991 - 330 ) ÷ 330] x 100 = 200.3%
Formula
Percentage change = [(991 - 330) / 330] x 100
Subtract the new number by the original number
991 - 330 = 661
661 ÷ 330 = 2.003030303030303
2.003030303030303 x 100 = 200.3%