200.45% is the change from 220 to 661
Calculation steps:
[( 661 - 220 ) ÷ 220] x 100 = 200.45%
Formula
Percentage change = [(661 - 220) / 220] x 100
Subtract the new number by the original number
661 - 220 = 441
441 ÷ 220 = 2.0045454545454544
2.0045454545454544 x 100 = 200.45%