92.31% is the change from 208 to 400
Calculation steps:
[( 400 - 208 ) ÷ 208] x 100 = 92.31%
Formula
Percentage change = [(400 - 208) / 208] x 100
Subtract the new number by the original number
400 - 208 = 192
192 ÷ 208 = 0.9230769230769231
0.9230769230769231 x 100 = 92.31%