214.46% is the change from 166 to 522
Calculation steps:
[( 522 - 166 ) ÷ 166] x 100 = 214.46%
Formula
Percentage change = [(522 - 166) / 166] x 100
Subtract the new number by the original number
522 - 166 = 356
356 ÷ 166 = 2.144578313253012
2.144578313253012 x 100 = 214.46%