137.35% is the change from 166 to 394
Calculation steps:
[( 394 - 166 ) ÷ 166] x 100 = 137.35%
Formula
Percentage change = [(394 - 166) / 166] x 100
Subtract the new number by the original number
394 - 166 = 228
228 ÷ 166 = 1.3734939759036144
1.3734939759036144 x 100 = 137.35%