921.95% is the change from 82 to 838
Calculation steps:
[( 838 - 82 ) ÷ 82] x 100 = 921.95%
Formula
Percentage change = [(838 - 82) / 82] x 100
Subtract the new number by the original number
838 - 82 = 756
756 ÷ 82 = 9.21951219512195
9.21951219512195 x 100 = 921.95%