66.85% is the change from 534 to 891
Calculation steps:
[( 891 - 534 ) ÷ 534] x 100 = 66.85%
Formula
Percentage change = [(891 - 534) / 534] x 100
Subtract the new number by the original number
891 - 534 = 357
357 ÷ 534 = 0.6685393258426966
0.6685393258426966 x 100 = 66.85%