262.05% is the change from 166 to 601
Calculation steps:
[( 601 - 166 ) ÷ 166] x 100 = 262.05%
Formula
Percentage change = [(601 - 166) / 166] x 100
Subtract the new number by the original number
601 - 166 = 435
435 ÷ 166 = 2.6204819277108435
2.6204819277108435 x 100 = 262.05%