-27.76% is the change from 850 to 614
Calculation steps:
[( 614 - 850 ) ÷ 850] x 100 = -27.76%
Formula
Percentage change = [(614 - 850) / 850] x 100
Subtract the new number by the original number
614 - 850 = -236
-236 ÷ 850 = -0.2776470588235294
-0.2776470588235294 x 100 = -27.76%