146.51% is the change from 215 to 530
Calculation steps:
[( 530 - 215 ) ÷ 215] x 100 = 146.51%
Formula
Percentage change = [(530 - 215) / 215] x 100
Subtract the new number by the original number
530 - 215 = 315
315 ÷ 215 = 1.4651162790697674
1.4651162790697674 x 100 = 146.51%