146.92% is the change from 211 to 521
Calculation steps:
[( 521 - 211 ) ÷ 211] x 100 = 146.92%
Formula
Percentage change = [(521 - 211) / 211] x 100
Subtract the new number by the original number
521 - 211 = 310
310 ÷ 211 = 1.4691943127962086
1.4691943127962086 x 100 = 146.92%