147.62% is the change from 210 to 520
Calculation steps:
[( 520 - 210 ) ÷ 210] x 100 = 147.62%
Formula
Percentage change = [(520 - 210) / 210] x 100
Subtract the new number by the original number
520 - 210 = 310
310 ÷ 210 = 1.4761904761904763
1.4761904761904763 x 100 = 147.62%