50.15% is the change from 662 to 994
Calculation steps:
[( 994 - 662 ) ÷ 662] x 100 = 50.15%
Formula
Percentage change = [(994 - 662) / 662] x 100
Subtract the new number by the original number
994 - 662 = 332
332 ÷ 662 = 0.5015105740181269
0.5015105740181269 x 100 = 50.15%