81.72% is the change from 454 to 825
Calculation steps:
[( 825 - 454 ) ÷ 454] x 100 = 81.72%
Formula
Percentage change = [(825 - 454) / 454] x 100
Subtract the new number by the original number
825 - 454 = 371
371 ÷ 454 = 0.8171806167400881
0.8171806167400881 x 100 = 81.72%