221.92% is the change from 146 to 470
Calculation steps:
[( 470 - 146 ) ÷ 146] x 100 = 221.92%
Formula
Percentage change = [(470 - 146) / 146] x 100
Subtract the new number by the original number
470 - 146 = 324
324 ÷ 146 = 2.219178082191781
2.219178082191781 x 100 = 221.92%