977.78% is the change from 45 to 485
Calculation steps:
[( 485 - 45 ) ÷ 45] x 100 = 977.78%
Formula
Percentage change = [(485 - 45) / 45] x 100
Subtract the new number by the original number
485 - 45 = 440
440 ÷ 45 = 9.777777777777779
9.777777777777779 x 100 = 977.78%