614.29% is the change from 21 to 150
Calculation steps:
[( 150 - 21 ) ÷ 21] x 100 = 614.29%
Formula
Percentage change = [(150 - 21) / 21] x 100
Subtract the new number by the original number
150 - 21 = 129
129 ÷ 21 = 6.142857142857143
6.142857142857143 x 100 = 614.29%