1388.57% is the change from 35 to 521
Calculation steps:
[( 521 - 35 ) ÷ 35] x 100 = 1388.57%
Formula
Percentage change = [(521 - 35) / 35] x 100
Subtract the new number by the original number
521 - 35 = 486
486 ÷ 35 = 13.885714285714286
13.885714285714286 x 100 = 1388.57%