98.77% is the change from 488 to 970
Calculation steps:
[( 970 - 488 ) ÷ 488] x 100 = 98.77%
Formula
Percentage change = [(970 - 488) / 488] x 100
Subtract the new number by the original number
970 - 488 = 482
482 ÷ 488 = 0.9877049180327869
0.9877049180327869 x 100 = 98.77%