208.43% is the change from 166 to 512
Calculation steps:
[( 512 - 166 ) ÷ 166] x 100 = 208.43%
Formula
Percentage change = [(512 - 166) / 166] x 100
Subtract the new number by the original number
512 - 166 = 346
346 ÷ 166 = 2.0843373493975905
2.0843373493975905 x 100 = 208.43%