150.48% is the change from 208 to 521
Calculation steps:
[( 521 - 208 ) ÷ 208] x 100 = 150.48%
Formula
Percentage change = [(521 - 208) / 208] x 100
Subtract the new number by the original number
521 - 208 = 313
313 ÷ 208 = 1.5048076923076923
1.5048076923076923 x 100 = 150.48%