-34.98% is the change from 223 to 145
Calculation steps:
[( 145 - 223 ) ÷ 223] x 100 = -34.98%
Formula
Percentage change = [(145 - 223) / 223] x 100
Subtract the new number by the original number
145 - 223 = -78
-78 ÷ 223 = -0.34977578475336324
-0.34977578475336324 x 100 = -34.98%