218.63% is the change from 306 to 975
Calculation steps:
[( 975 - 306 ) ÷ 306] x 100 = 218.63%
Formula
Percentage change = [(975 - 306) / 306] x 100
Subtract the new number by the original number
975 - 306 = 669
669 ÷ 306 = 2.1862745098039214
2.1862745098039214 x 100 = 218.63%