342.86% is the change from 21 to 93
Calculation steps:
[( 93 - 21 ) ÷ 21] x 100 = 342.86%
Formula
Percentage change = [(93 - 21) / 21] x 100
Subtract the new number by the original number
93 - 21 = 72
72 ÷ 21 = 3.4285714285714284
3.4285714285714284 x 100 = 342.86%