81.59% is the change from 364 to 661
Calculation steps:
[( 661 - 364 ) ÷ 364] x 100 = 81.59%
Formula
Percentage change = [(661 - 364) / 364] x 100
Subtract the new number by the original number
661 - 364 = 297
297 ÷ 364 = 0.8159340659340659
0.8159340659340659 x 100 = 81.59%