-62.43% is the change from 913 to 343
Calculation steps:
[( 343 - 913 ) ÷ 913] x 100 = -62.43%
Formula
Percentage change = [(343 - 913) / 913] x 100
Subtract the new number by the original number
343 - 913 = -570
-570 ÷ 913 = -0.624315443592552
-0.624315443592552 x 100 = -62.43%