217.47% is the change from 166 to 527
Calculation steps:
[( 527 - 166 ) ÷ 166] x 100 = 217.47%
Formula
Percentage change = [(527 - 166) / 166] x 100
Subtract the new number by the original number
527 - 166 = 361
361 ÷ 166 = 2.174698795180723
2.174698795180723 x 100 = 217.47%