1008.11% is the change from 74 to 820
Calculation steps:
[( 820 - 74 ) ÷ 74] x 100 = 1008.11%
Formula
Percentage change = [(820 - 74) / 74] x 100
Subtract the new number by the original number
820 - 74 = 746
746 ÷ 74 = 10.08108108108108
10.08108108108108 x 100 = 1008.11%