87.56% is the change from 209 to 392
Calculation steps:
[( 392 - 209 ) ÷ 209] x 100 = 87.56%
Formula
Percentage change = [(392 - 209) / 209] x 100
Subtract the new number by the original number
392 - 209 = 183
183 ÷ 209 = 0.8755980861244019
0.8755980861244019 x 100 = 87.56%