669.23% is the change from 52 to 400
Calculation steps:
[( 400 - 52 ) ÷ 52] x 100 = 669.23%
Formula
Percentage change = [(400 - 52) / 52] x 100
Subtract the new number by the original number
400 - 52 = 348
348 ÷ 52 = 6.6923076923076925
6.6923076923076925 x 100 = 669.23%