145.83% is the change from 216 to 531
Calculation steps:
[( 531 - 216 ) ÷ 216] x 100 = 145.83%
Formula
Percentage change = [(531 - 216) / 216] x 100
Subtract the new number by the original number
531 - 216 = 315
315 ÷ 216 = 1.4583333333333333
1.4583333333333333 x 100 = 145.83%