52.41% is the change from 166 to 253
Calculation steps:
[( 253 - 166 ) ÷ 166] x 100 = 52.41%
Formula
Percentage change = [(253 - 166) / 166] x 100
Subtract the new number by the original number
253 - 166 = 87
87 ÷ 166 = 0.5240963855421686
0.5240963855421686 x 100 = 52.41%