82.54% is the change from 189 to 345
Calculation steps:
[( 345 - 189 ) ÷ 189] x 100 = 82.54%
Formula
Percentage change = [(345 - 189) / 189] x 100
Subtract the new number by the original number
345 - 189 = 156
156 ÷ 189 = 0.8253968253968254
0.8253968253968254 x 100 = 82.54%