87.62% is the change from 210 to 394
Calculation steps:
[( 394 - 210 ) ÷ 210] x 100 = 87.62%
Formula
Percentage change = [(394 - 210) / 210] x 100
Subtract the new number by the original number
394 - 210 = 184
184 ÷ 210 = 0.8761904761904762
0.8761904761904762 x 100 = 87.62%