21.99% is the change from 423 to 516
Calculation steps:
[( 516 - 423 ) ÷ 423] x 100 = 21.99%
Formula
Percentage change = [(516 - 423) / 423] x 100
Subtract the new number by the original number
516 - 423 = 93
93 ÷ 423 = 0.2198581560283688
0.2198581560283688 x 100 = 21.99%