522.3% is the change from 148 to 921
Calculation steps:
[( 921 - 148 ) ÷ 148] x 100 = 522.3%
Formula
Percentage change = [(921 - 148) / 148] x 100
Subtract the new number by the original number
921 - 148 = 773
773 ÷ 148 = 5.222972972972973
5.222972972972973 x 100 = 522.3%