217.07% is the change from 164 to 520
Calculation steps:
[( 520 - 164 ) ÷ 164] x 100 = 217.07%
Formula
Percentage change = [(520 - 164) / 164] x 100
Subtract the new number by the original number
520 - 164 = 356
356 ÷ 164 = 2.1707317073170733
2.1707317073170733 x 100 = 217.07%