66.42% is the change from 134 to 223
Calculation steps:
[( 223 - 134 ) ÷ 134] x 100 = 66.42%
Formula
Percentage change = [(223 - 134) / 134] x 100
Subtract the new number by the original number
223 - 134 = 89
89 ÷ 134 = 0.664179104477612
0.664179104477612 x 100 = 66.42%