80.86% is the change from 209 to 378
Calculation steps:
[( 378 - 209 ) ÷ 209] x 100 = 80.86%
Formula
Percentage change = [(378 - 209) / 209] x 100
Subtract the new number by the original number
378 - 209 = 169
169 ÷ 209 = 0.8086124401913876
0.8086124401913876 x 100 = 80.86%