-64.65% is the change from 959 to 339
Calculation steps:
[( 339 - 959 ) ÷ 959] x 100 = -64.65%
Formula
Percentage change = [(339 - 959) / 959] x 100
Subtract the new number by the original number
339 - 959 = -620
-620 ÷ 959 = -0.6465067778936392
-0.6465067778936392 x 100 = -64.65%