819.61% is the change from 102 to 938
Calculation steps:
[( 938 - 102 ) ÷ 102] x 100 = 819.61%
Formula
Percentage change = [(938 - 102) / 102] x 100
Subtract the new number by the original number
938 - 102 = 836
836 ÷ 102 = 8.196078431372548
8.196078431372548 x 100 = 819.61%