150.59% is the change from 340 to 852
Calculation steps:
[( 852 - 340 ) ÷ 340] x 100 = 150.59%
Formula
Percentage change = [(852 - 340) / 340] x 100
Subtract the new number by the original number
852 - 340 = 512
512 ÷ 340 = 1.5058823529411764
1.5058823529411764 x 100 = 150.59%