98.64% is the change from 220 to 437
Calculation steps:
[( 437 - 220 ) ÷ 220] x 100 = 98.64%
Formula
Percentage change = [(437 - 220) / 220] x 100
Subtract the new number by the original number
437 - 220 = 217
217 ÷ 220 = 0.9863636363636363
0.9863636363636363 x 100 = 98.64%