286.05% is the change from 43 to 166
Calculation steps:
[( 166 - 43 ) ÷ 43] x 100 = 286.05%
Formula
Percentage change = [(166 - 43) / 43] x 100
Subtract the new number by the original number
166 - 43 = 123
123 ÷ 43 = 2.86046511627907
2.86046511627907 x 100 = 286.05%