454.73% is the change from 148 to 821
Calculation steps:
[( 821 - 148 ) ÷ 148] x 100 = 454.73%
Formula
Percentage change = [(821 - 148) / 148] x 100
Subtract the new number by the original number
821 - 148 = 673
673 ÷ 148 = 4.547297297297297
4.547297297297297 x 100 = 454.73%