146.23% is the change from 212 to 522
Calculation steps:
[( 522 - 212 ) ÷ 212] x 100 = 146.23%
Formula
Percentage change = [(522 - 212) / 212] x 100
Subtract the new number by the original number
522 - 212 = 310
310 ÷ 212 = 1.4622641509433962
1.4622641509433962 x 100 = 146.23%