224.24% is the change from 66 to 214
Calculation steps:
[( 214 - 66 ) ÷ 66] x 100 = 224.24%
Formula
Percentage change = [(214 - 66) / 66] x 100
Subtract the new number by the original number
214 - 66 = 148
148 ÷ 66 = 2.242424242424242
2.242424242424242 x 100 = 224.24%