209.04% is the change from 166 to 513
Calculation steps:
[( 513 - 166 ) ÷ 166] x 100 = 209.04%
Formula
Percentage change = [(513 - 166) / 166] x 100
Subtract the new number by the original number
513 - 166 = 347
347 ÷ 166 = 2.0903614457831323
2.0903614457831323 x 100 = 209.04%